$GL
GLOBE LIFE INC. Stock $gl

$gl Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-K Financial Statement

#000032033521000010 Filed on February 25, 2021

Income Statement

Concept	2020 Q4	2019 Q4	2019 Q3
Revenue	$1.229B	$1.137B	$1.141B
YoY Change	8.13%	6.75%	5.3%
Cost Of Revenue	$663.1M	$594.5M	$585.7M
YoY Change	11.54%	4.47%	3.14%
Gross Profit	$565.8M	$542.0M	$235.4M
YoY Change	4.39%	9.37%	7.34%
Gross Profit Margin	46.04%	47.69%	20.62%
Selling, General & Admin	$74.30M	$74.90M	$74.60M
YoY Change	-0.8%	6.85%	8.27%
% of Gross Profit	13.13%	13.82%	31.69%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$144.9M	$139.3M	$138.4M
YoY Change	4.05%	8.4%	6.92%
% of Gross Profit	25.61%	25.7%	58.82%
Operating Expenses	$957.5M	$886.1M	$872.9M
YoY Change	8.06%	5.8%	4.24%
Operating Profit	-$391.7M	-$344.1M	$235.4M
YoY Change	13.84%	0.64%	4.87%
Interest Expense	-$21.40M	-$20.50M	$21.09M
YoY Change	4.39%	-13.14%	-5.97%
% of Operating Profit			8.96%
Other Income/Expense, Net			$0.00
YoY Change			-100.0%
Pretax Income	$250.0M	$227.1M	$247.3M
YoY Change	10.08%	11.52%	12.25%
Income Tax	$45.70M	$40.00M	$45.51M
% Of Pretax Income	18.28%	17.61%	18.4%
Net Earnings	$204.2M	$187.1M	$201.8M
YoY Change	9.18%	13.57%	12.92%
Net Earnings / Revenue	16.62%	16.46%	17.68%
Basic Earnings Per Share	$1.96	$1.73	$1.85
Diluted Earnings Per Share	$1.93	$1.69	$1.82
COMMON SHARES
Basic Shares Outstanding	104.7M shares	108.3M shares	108.8M shares
Diluted Shares Outstanding			110.9M shares

Balance Sheet

Concept	2020 Q4	2019 Q4	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$94.85M	$75.93M	$66.68M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$474.0M	$442.0M	$432.0M
YoY Change	7.24%	6.51%	6.14%
LONG-TERM ASSETS
Property, Plant & Equipment
YoY Change
Goodwill	$441.6M	$441.6M	$441.6M
YoY Change	0.0%	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$22.45B	$19.85B	$19.76B
YoY Change	13.13%	15.94%	12.27%
Other Assets		$0.00	$0.00
YoY Change		-100.0%	-100.0%
Total Long-Term Assets	$28.57B	$25.54B	$25.36B
YoY Change	11.89%	12.59%	9.96%
TOTAL ASSETS
Total Short-Term Assets	$474.0M	$442.0M	$432.0M
Total Long-Term Assets	$28.57B	$25.54B	$25.36B
Total Assets	$29.05B	$25.98B	$25.79B
YoY Change	11.82%	12.48%	9.9%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$254.9M	$298.7M	$233.3M
YoY Change	-14.67%	-2.96%	-62.06%
Long-Term Debt Due	$0.00	$9.375M	$9.000M
YoY Change	-100.0%	36.36%	-96.99%
Total Short-Term Liabilities	$2.089B	$1.775B	$1.732B
YoY Change	17.69%	30.9%	2.61%
LONG-TERM LIABILITIES
Long-Term Debt	$1.668B	$1.349B	$1.351B
YoY Change	23.64%	-0.6%	-0.57%
Other Long-Term Liabilities	$716.0M	$525.0M	$528.0M
YoY Change	36.38%	4.17%	-2.94%
Total Long-Term Liabilities	$1.668B	$1.349B	$1.351B
YoY Change	23.64%	-0.6%	-29.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.089B	$1.775B	$1.732B
Total Long-Term Liabilities	$1.668B	$1.349B	$1.351B
Total Liabilities	$20.28B	$18.68B	$18.48B
YoY Change	8.52%	5.67%	3.06%
SHAREHOLDERS EQUITY
Retained Earnings	$5.874B	$5.551B	$5.687B
YoY Change	5.81%	6.48%	7.95%
Common Stock	$113.2M	$117.2M	$121.2M
YoY Change	-3.41%	-3.3%	-2.42%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$772.9M	$750.6M	$976.5M
YoY Change	2.97%	-1.67%	13.76%
Treasury Stock Shares	9.421M shares	9.498M shares	12.77M shares
Shareholders Equity	$8.771B	$7.294B	$7.313B
YoY Change
Total Liabilities & Shareholders Equity	$29.05B	$25.98B	$25.79B
YoY Change	11.82%	12.48%	9.9%

Cashflow Statement

Concept	2020 Q4	2019 Q4	2019 Q3
OPERATING ACTIVITIES
Net Income	$204.2M	$187.1M	$201.8M
YoY Change	9.18%	13.57%	12.92%
Depreciation, Depletion And Amortization	$144.9M	$139.3M	$138.4M
YoY Change	4.05%	8.4%	6.92%
Cash From Operating Activities	$397.8M	$333.7M	$343.6M
YoY Change	19.21%	-1.94%	7.11%
INVESTING ACTIVITIES
Capital Expenditures	-$13.00M	-$12.20M	-$8.300M
YoY Change	6.56%	-31.46%	-3.49%
Acquisitions
YoY Change
Other Investing Activities	-$176.3M	-$228.6M	-$203.8M
YoY Change	-22.88%	-208.14%	-69.67%
Cash From Investing Activities	-$189.2M	-$240.7M	-$212.2M
YoY Change	-21.4%	-224.33%	-68.82%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-187.1M	-81.10M	-153.3M
YoY Change	130.7%	-83.78%	-142.63%
NET CHANGE
Cash From Operating Activities	397.8M	333.7M	343.6M
Cash From Investing Activities	-189.2M	-240.7M	-212.2M
Cash From Financing Activities	-187.1M	-81.10M	-153.3M
Net Change In Cash	21.50M	11.90M	-21.90M
YoY Change	80.67%	-64.79%	10850.0%
FREE CASH FLOW
Cash From Operating Activities	$397.8M	$333.7M	$343.6M
Capital Expenditures	-$13.00M	-$12.20M	-$8.300M
Free Cash Flow	$410.8M	$345.9M	$351.9M
YoY Change	18.76%	-3.41%	6.83%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0000320335
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Amendment Flag AmendmentFlag	false
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CY2020	dei	Document Type DocumentType	10-K
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CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-08052
CY2020	dei	Entity Registrant Name EntityRegistrantName	GLOBE LIFE INC.
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	63-0780404
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	3700 South Stonebridge Drive
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	McKinney
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
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CY2020	dei	City Area Code CityAreaCode	972
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CY2020	dei	Security12b Title Security12bTitle	Common Stock, $1.00 par value per share
CY2020	dei	Trading Symbol TradingSymbol	GL
CY2020	dei	Security Exchange Name SecurityExchangeName	NYSE
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CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.90
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.97
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.22
CY2020	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	6.82
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	6.83
CY2018	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	6.09
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.82
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.83
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.09
CY2020	us-gaap	Net Income Loss NetIncomeLoss	731773000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	760790000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	701466000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	1510033000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	1958165000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-1434918000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	317111000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	411213000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-301327000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1192922000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1546952000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1133591000	USD
CY2020	gl	Other Comprehensive Income Gain Loss On Deferred Acquisition Costs Period Increase Decrease Before Tax OtherComprehensiveIncomeGainLossOnDeferredAcquisitionCostsPeriodIncreaseDecreaseBeforeTax	1533000	USD
CY2019	gl	Other Comprehensive Income Gain Loss On Deferred Acquisition Costs Period Increase Decrease Before Tax OtherComprehensiveIncomeGainLossOnDeferredAcquisitionCostsPeriodIncreaseDecreaseBeforeTax	-2218000	USD
CY2018	gl	Other Comprehensive Income Gain Loss On Deferred Acquisition Costs Period Increase Decrease Before Tax OtherComprehensiveIncomeGainLossOnDeferredAcquisitionCostsPeriodIncreaseDecreaseBeforeTax	5549000	USD
CY2020	gl	Other Comprehensive Income Gain Loss On Deferred Acquisition Costs Period Increase Decrease Tax OtherComprehensiveIncomeGainLossOnDeferredAcquisitionCostsPeriodIncreaseDecreaseTax	321000	USD
CY2019	gl	Other Comprehensive Income Gain Loss On Deferred Acquisition Costs Period Increase Decrease Tax OtherComprehensiveIncomeGainLossOnDeferredAcquisitionCostsPeriodIncreaseDecreaseTax	-465000	USD
CY2018	gl	Other Comprehensive Income Gain Loss On Deferred Acquisition Costs Period Increase Decrease Tax OtherComprehensiveIncomeGainLossOnDeferredAcquisitionCostsPeriodIncreaseDecreaseTax	1165000	USD
CY2020	gl	Other Comprehensive Income Gain Loss On Deferred Acquisition Costs Period Increase Decrease Net Of Tax OtherComprehensiveIncomeGainLossOnDeferredAcquisitionCostsPeriodIncreaseDecreaseNetOfTax	1212000	USD
CY2019	gl	Other Comprehensive Income Gain Loss On Deferred Acquisition Costs Period Increase Decrease Net Of Tax OtherComprehensiveIncomeGainLossOnDeferredAcquisitionCostsPeriodIncreaseDecreaseNetOfTax	-1753000	USD
CY2018	gl	Other Comprehensive Income Gain Loss On Deferred Acquisition Costs Period Increase Decrease Net Of Tax OtherComprehensiveIncomeGainLossOnDeferredAcquisitionCostsPeriodIncreaseDecreaseNetOfTax	4384000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	14230000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	7042000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-12417000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	2986000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	1479000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-2610000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	11244000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	5563000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-9807000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	16632000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	8474000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	15095000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	2377000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-43169000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-40636000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	30591000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	26537000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	32162000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-43309000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	5573000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	6755000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-9094000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	20964000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	25407000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-34215000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1184414000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1525355000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1104799000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1916187000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2286145000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-403333000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	6231421000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-403333000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-403333000	USD
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.64
CY2018	us-gaap	Dividends Common Stock DividendsCommonStock	71941000	USD
CY2018	us-gaap	Dividends Common Stock DividendsCommonStock	71941000	USD
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	421749000	USD
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	421749000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	39792000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	39792000	USD
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	36091000	USD
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	36091000	USD
CY2018	us-gaap	Treasury Stock Retired Cost Method Amount TreasuryStockRetiredCostMethodAmount	0	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	5415177000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2286145000	USD
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.69
CY2019	us-gaap	Dividends Common Stock DividendsCommonStock	75060000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	459569000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	44843000	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	83163000	USD
CY2019	us-gaap	Treasury Stock Retired Cost Method Amount TreasuryStockRetiredCostMethodAmount	0	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	7294307000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1916187000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.75
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	79067000	USD
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	443866000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	35892000	USD
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	48093000	USD
CY2020	us-gaap	Treasury Stock Retired Cost Method Amount TreasuryStockRetiredCostMethodAmount	0	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	8771092000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	731773000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	760790000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	701466000	USD
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-92000	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-44000	USD
CY2020	us-gaap	Increase Decrease In Future Policy Benefit Reserves IncreaseDecreaseInFuturePolicyBenefitReserves	798936000	USD
CY2019	us-gaap	Increase Decrease In Future Policy Benefit Reserves IncreaseDecreaseInFuturePolicyBenefitReserves	661567000	USD
CY2018	us-gaap	Increase Decrease In Future Policy Benefit Reserves IncreaseDecreaseInFuturePolicyBenefitReserves	664997000	USD
CY2020	us-gaap	Increase Decrease In Other Policyholder Funds IncreaseDecreaseInOtherPolicyholderFunds	33810000	USD
CY2019	us-gaap	Increase Decrease In Other Policyholder Funds IncreaseDecreaseInOtherPolicyholderFunds	15900000	USD
CY2018	us-gaap	Increase Decrease In Other Policyholder Funds IncreaseDecreaseInOtherPolicyholderFunds	17134000	USD
CY2020	gl	Deferral Of Policy Acquisition Costs Gross DeferralOfPolicyAcquisitionCostsGross	822985000	USD
CY2019	gl	Deferral Of Policy Acquisition Costs Gross DeferralOfPolicyAcquisitionCostsGross	753661000	USD
CY2018	gl	Deferral Of Policy Acquisition Costs Gross DeferralOfPolicyAcquisitionCostsGross	699551000	USD
CY2020	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	575770000	USD
CY2019	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	551726000	USD
CY2018	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	516690000	USD
CY2020	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-88157000	USD
CY2019	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-68588000	USD
CY2018	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-69369000	USD
CY2020	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-4371000	USD
CY2019	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	20621000	USD
CY2018	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-1804000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-66602000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-62194000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-4463000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	1476434000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	1346575000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	1276416000	USD
CY2020	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	0	USD
CY2019	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	17299000	USD
CY2018	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	1231000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1476434000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1363874000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1277647000	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	52681000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	79108000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	32021000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	416321000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	840222000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	343712000	USD
CY2020	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	42990000	USD
CY2019	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	5134000	USD
CY2018	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	477000	USD
CY2020	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	511992000	USD
CY2019	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	924464000	USD
CY2018	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	376210000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1262434000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1552956000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1155539000	USD
CY2020	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	266230000	USD
CY2019	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	123332000	USD
CY2018	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	93631000	USD
CY2020	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	1528664000	USD
CY2019	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	1676288000	USD
CY2018	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	1249170000	USD
CY2020	us-gaap	Payments For Proceeds From Policy Loans PaymentsForProceedsFromPolicyLoans	8887000	USD
CY2019	us-gaap	Payments For Proceeds From Policy Loans PaymentsForProceedsFromPolicyLoans	25426000	USD
CY2018	us-gaap	Payments For Proceeds From Policy Loans PaymentsForProceedsFromPolicyLoans	20537000	USD
CY2020	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	69497000	USD
CY2019	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	-34003000	USD
CY2018	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	-63783000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	41756000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	42203000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	45092000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	7051000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-32000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1987000	USD
CY2020	gl	Investment In Low Income Housing Interests InvestmentInLowIncomeHousingInterests	37867000	USD
CY2019	gl	Investment In Low Income Housing Interests InvestmentInLowIncomeHousingInterests	23893000	USD
CY2018	gl	Investment In Low Income Housing Interests InvestmentInLowIncomeHousingInterests	23404000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1181730000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-809311000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-896223000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	48093000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	83163000	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	36091000	USD
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	78192000	USD
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	74188000	USD
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	71421000	USD
CY2020	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	386875000	USD
CY2019	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	6875000	USD
CY2018	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	327762000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	700000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	550000000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	5844000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	6969000	USD
CY2020	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	-34445000	USD
CY2019	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	-11610000	USD
CY2018	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	-22719000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	443866000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	459569000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	421749000	USD
CY2020	us-gaap	Net Change Annuities And Investment Certificates NetChangeAnnuitiesAndInvestmentCertificates	-72928000	USD
CY2019	us-gaap	Net Change Annuities And Investment Certificates NetChangeAnnuitiesAndInvestmentCertificates	-121429000	USD
CY2018	us-gaap	Net Change Annuities And Investment Certificates NetChangeAnnuitiesAndInvestmentCertificates	-126991000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-274057000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-590508000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-391520000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1733000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-9148000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	12559000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	18914000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-45093000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2463000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	75933000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	121026000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	118563000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	94847000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	75933000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	121026000	USD
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2016	gl	Number Of Operating Segments Sold NumberOfOperatingSegmentsSold	1	segment
CY2020	us-gaap	Payments To Acquire Longterm Investments PaymentsToAcquireLongtermInvestments	227000000	USD
CY2020Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	435000000	USD
CY2020Q4	gl	Percentage Of Fixed Maturity Investments Representing Insignificant Security Type PercentageOfFixedMaturityInvestmentsRepresentingInsignificantSecurityType	0.01
CY2020Q4	gl	Percentage Of Fair Value Of Fixed Maturities Determined By Third Party PercentageOfFairValueOfFixedMaturitiesDeterminedByThirdParty	0.97
CY2019Q4	gl	Advanced Agent Commissions Receivable AdvancedAgentCommissionsReceivable	423877000	USD
CY2020Q4	gl	Advanced Agent Commissions Receivable AdvancedAgentCommissionsReceivable	456000000	USD
CY2019Q4	gl	Advanced Agent Commissions Receivable AdvancedAgentCommissionsReceivable	424000000	USD
CY2020Q4	gl	Advanced Agent Commissions Receivable Allowance For Credit Loss AdvancedAgentCommissionsReceivableAllowanceForCreditLoss	1200000	USD
CY2020	gl	Direct Response Advertising Costs Charged To Earnings During Period DirectResponseAdvertisingCostsChargedToEarningsDuringPeriod	9800000	USD
CY2019	gl	Direct Response Advertising Costs Charged To Earnings During Period DirectResponseAdvertisingCostsChargedToEarningsDuringPeriod	9500000	USD
CY2018	gl	Direct Response Advertising Costs Charged To Earnings During Period DirectResponseAdvertisingCostsChargedToEarningsDuringPeriod	9000000.0	USD
CY2020Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	1400000000	USD
CY2019Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	1300000000	USD
CY2020Q4	gl	Investment In Low Income Housing Tax Entities Carrying Value InvestmentInLowIncomeHousingTaxEntitiesCarryingValue	306000000	USD
CY2019Q4	gl	Investment In Low Income Housing Tax Entities Carrying Value InvestmentInLowIncomeHousingTaxEntitiesCarryingValue	206000000	USD
CY2020Q4	gl	Obligations Under Future Commitments For Low Income Housing Interests ObligationsUnderFutureCommitmentsForLowIncomeHousingInterests	162000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	350000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	298000000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	164000000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	137000000	USD
CY2020	us-gaap	Depreciation Depreciation	17000000	USD
CY2019	us-gaap	Depreciation Depreciation	16000000	USD
CY2018	us-gaap	Depreciation Depreciation	13000000	USD
CY2020	gl	Traditional Life And Health Reserve Discount Rate Assumption Low End TraditionalLifeAndHealthReserveDiscountRateAssumptionLowEnd	0.025
CY2020	gl	Traditional Life And Health Reserve Discount Rate Assumption High End TraditionalLifeAndHealthReserveDiscountRateAssumptionHighEnd	0.070
CY2020	gl	Traditional Life And Health Weighted Average Reserve Discount Rate Assumption TraditionalLifeAndHealthWeightedAverageReserveDiscountRateAssumption	0.057
CY2019	us-gaap	Statutory Accounting Practices Statutory Net Income Amount StatutoryAccountingPracticesStatutoryNetIncomeAmount	462515000	USD
CY2018	us-gaap	Statutory Accounting Practices Statutory Net Income Amount StatutoryAccountingPracticesStatutoryNetIncomeAmount	437549000	USD
CY2020	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	14700000	USD
CY2019	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	15600000	USD
CY2018	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	16400000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.157
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.157
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.137
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.007
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.008
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.007
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y1M13D
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y1M6D
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y9M3D
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.012
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.025
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.027
CY2020	us-gaap	Statutory Accounting Practices Statutory Net Income Amount StatutoryAccountingPracticesStatutoryNetIncomeAmount	441589000	USD
CY2020Q4	us-gaap	Statutory Accounting Practices Statutory Capital And Surplus Balance StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance	1408281000	USD
CY2019Q4	us-gaap	Statutory Accounting Practices Statutory Capital And Surplus Balance StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance	1398274000	USD
CY2020Q4	gl	Surplus Adequate To Satisfy Regulatory Compliance SurplusAdequateToSatisfyRegulatoryCompliance	520000000	USD
CY2018	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-1115335000	USD
CY2018	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-10536000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1104799000	USD
CY2019	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	1529591000	USD
CY2019	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	4236000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1525355000	USD
CY2020	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	1145356000	USD
CY2020	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-39058000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1184414000	USD
CY2020Q4	gl	Debt Securities Available For Sale Maturity Allocated And Single Maturity Date Within One Year Amortized Cost Net Of Allowance For Credit Losses DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateWithinOneYearAmortizedCostNetOfAllowanceForCreditLosses	70732000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	72395000	USD
CY2020Q4	gl	Debt Securities Available For Sale Maturity Allocated And Single Maturity Date After One Through Five Years Amortized Cost Net Of Allowance For Credit Losses DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterOneThroughFiveYearsAmortizedCostNetOfAllowanceForCreditLosses	781183000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	866408000	USD
CY2020Q4	gl	Debt Securities Available For Sale Maturity Allocated And Single Maturity Date After Five Through Ten Years Amortized Cost Net Of Allowance For Credit Loss DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterFiveThroughTenYearsAmortizedCostNetOfAllowanceForCreditLoss	1870527000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	2260011000	USD
CY2020Q4	gl	Debt Securities Available For Sale Maturity Allocated And Single Maturity Date After Ten Through Twenty Years Amortized Cost Net Of Allowance For Credit Loss DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterTenThroughTwentyYearsAmortizedCostNetOfAllowanceForCreditLoss	6109815000	USD
CY2020Q4	gl	Available For Sale Securities Debt Maturities After Ten Through Twenty Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenThroughTwentyYearsFairValue	7884526000	USD
CY2020Q4	gl	Debt Securities Available For Sale Maturity Allocated And Single Maturity Date After Twenty Years Amortized Cost Net Of Allowance For Credit Loss DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterTwentyYearsAmortizedCostNetOfAllowanceForCreditLoss	8169528000	USD
CY2020Q4	gl	Available For Sale Securities Debt Maturities After Twenty Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTwentyYearsFairValue	9923706000	USD
CY2020Q4	gl	Debt Securities Available For Sale Without Single Maturity Date Net Of Allowance For Credit Loss DebtSecuritiesAvailableForSaleWithoutSingleMaturityDateNetOfAllowanceForCreditLoss	192014000	USD
CY2020Q4	gl	Mortgage Backed And Asset Backed Securities At Fair Value MortgageBackedAndAssetBackedSecuritiesAtFairValue	206463000	USD
CY2020Q4	gl	Debt Securities Available For Sale Net Of Allowance For Credit Loss DebtSecuritiesAvailableForSaleNetOfAllowanceForCreditLoss	17193799000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	21213509000	USD
CY2020	us-gaap	Gross Investment Income Operating GrossInvestmentIncomeOperating	944894000	USD
CY2019	us-gaap	Gross Investment Income Operating GrossInvestmentIncomeOperating	926504000	USD
CY2018	us-gaap	Gross Investment Income Operating GrossInvestmentIncomeOperating	898149000	USD
CY2020	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	17832000	USD
CY2019	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	16045000	USD
CY2018	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	15637000	USD
CY2020	us-gaap	Net Investment Income NetInvestmentIncome	927062000	USD
CY2019	us-gaap	Net Investment Income NetInvestmentIncome	910459000	USD
CY2018	us-gaap	Net Investment Income NetInvestmentIncome	882512000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment	-22999000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment	19354000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment	5715000	USD
CY2020	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings	3346000	USD
CY2019	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings	0	USD
CY2018	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings	0	USD
CY2020	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	1045000	USD
CY2019	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	1256000	USD
CY2018	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	2650000	USD
CY2020	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	21563000	USD
CY2019	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	11000	USD
CY2018	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	909000	USD
CY2020	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-3737000	USD
CY2019	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	20621000	USD
CY2018	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	9274000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-634000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-11078000	USD
CY2020	gl	Realized Investment Gains Losses And Gain Loss On Extinguishment Of Debt RealizedInvestmentGainsLossesAndGainLossOnExtinguishmentOfDebt	-4371000	USD
CY2019	gl	Realized Investment Gains Losses And Gain Loss On Extinguishment Of Debt RealizedInvestmentGainsLossesAndGainLossOnExtinguishmentOfDebt	20621000	USD
CY2018	gl	Realized Investment Gains Losses And Gain Loss On Extinguishment Of Debt RealizedInvestmentGainsLossesAndGainLossOnExtinguishmentOfDebt	-1804000	USD
CY2020	gl	Realized Gains Losses From Investments Applicable Tax RealizedGainsLossesFromInvestmentsApplicableTax	-1955000	USD
CY2019	gl	Realized Gains Losses From Investments Applicable Tax RealizedGainsLossesFromInvestmentsApplicableTax	4330000	USD
CY2018	gl	Realized Gains Losses From Investments Applicable Tax RealizedGainsLossesFromInvestmentsApplicableTax	-379000	USD
CY2020	gl	Realized Gains Losses From Investments Net Of Tax RealizedGainsLossesFromInvestmentsNetOfTax	-2416000	USD
CY2019	gl	Realized Gains Losses From Investments Net Of Tax RealizedGainsLossesFromInvestmentsNetOfTax	16291000	USD
CY2018	gl	Realized Gains Losses From Investments Net Of Tax RealizedGainsLossesFromInvestmentsNetOfTax	-1425000	USD
CY2020	gl	Debt Securities Available For Sale Noncash Sale Exchange Of Securities DebtSecuritiesAvailableForSaleNoncashSaleExchangeOfSecurities	219800000	USD
CY2019	gl	Debt Securities Available For Sale Noncash Sale Exchange Of Securities DebtSecuritiesAvailableForSaleNoncashSaleExchangeOfSecurities	243200000	USD
CY2018	gl	Debt Securities Available For Sale Noncash Sale Exchange Of Securities DebtSecuritiesAvailableForSaleNoncashSaleExchangeOfSecurities	193400000	USD
CY2020	gl	Debt Securities Available For Sale Realized Gain Loss On Exchanges DebtSecuritiesAvailableForSaleRealizedGainLossOnExchanges	7900000	USD
CY2019	gl	Debt Securities Available For Sale Realized Gain Loss On Exchanges DebtSecuritiesAvailableForSaleRealizedGainLossOnExchanges	20500000	USD
CY2018	gl	Debt Securities Available For Sale Realized Gain Loss On Exchanges DebtSecuritiesAvailableForSaleRealizedGainLossOnExchanges	10100000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	18907147000	USD
CY2019Q4	gl	Percent Of Available For Sale Securities At Fair Value By Valuation Level PercentOfAvailableForSaleSecuritiesAtFairValueByValuationLevel	1
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	668440000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	698000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	-21108000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	27453000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	0	USD
CY2018	gl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Amortization FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAmortization	4753000	USD
CY2018	gl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Other Adjustments Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOtherAdjustmentsIncreaseDecrease	-44947000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	4533000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	0	USD
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	639822000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	396000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	32600000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	0	USD
CY2019	gl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Amortization FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAmortization	4609000	USD
CY2019	gl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Other Adjustments Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOtherAdjustmentsIncreaseDecrease	-25042000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	107024000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	0	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	759409000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	1579000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	14386000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	67820000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	0	USD
CY2020	gl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Amortization FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAmortization	4563000	USD
CY2020	gl	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Other Adjustments Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOtherAdjustmentsIncreaseDecrease	-48784000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	0	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	0	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	798973000	USD
CY2018	us-gaap	Fair Value Asset Recurring Basis Still Held Unrealized Gain Loss Oci FairValueAssetRecurringBasisStillHeldUnrealizedGainLossOci	-21108000	USD
CY2019	us-gaap	Fair Value Asset Recurring Basis Still Held Unrealized Gain Loss Oci FairValueAssetRecurringBasisStillHeldUnrealizedGainLossOci	32600000	USD
CY2020	us-gaap	Fair Value Asset Recurring Basis Still Held Unrealized Gain Loss Oci FairValueAssetRecurringBasisStillHeldUnrealizedGainLossOci	14386000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	54	Issue
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	24	Issue
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	78	Issue
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	82	Issue
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	51	Issue
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	133	Issue
CY2020Q4	gl	Entire Portfolio Number Of Issues Of Fixed Maturities EntirePortfolioNumberOfIssuesOfFixedMaturities	1900	Issue
CY2020	gl	Debt Securities Available For Sale Continuous Unrealized Loss Position Increase Decrease In Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionIncreaseDecreaseInAccumulatedLoss	-35700000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	47500000	USD
CY2020Q4	gl	Entire Portfolio Number Of Issuers Of Fixed Maturities EntirePortfolioNumberOfIssuersOfFixedMaturities	777	issuer
CY2019Q4	gl	Entire Portfolio Number Of Issues Of Fixed Maturities EntirePortfolioNumberOfIssuesOfFixedMaturities	1633	Issue
CY2019Q4	gl	Entire Portfolio Number Of Issuers Of Fixed Maturities EntirePortfolioNumberOfIssuersOfFixedMaturities	656	issuer
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	278339000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	10088000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	216892000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	37445000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	495231000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	47533000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	411509000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	5846000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	384305000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	77389000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	795814000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	83235000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	83200000	USD
CY2020	us-gaap	Concentration Risk Percentage1 ConcentrationRiskPercentage1	1
CY2020Q4	gl	Proportion Of State And Municipal Governments Securities At Fair Value In Investment Portfolio ProportionOfStateAndMunicipalGovernmentsSecuritiesAtFairValueInInvestmentPortfolio	0.09
CY2020Q4	gl	Proportion Of Insurance Industry Concentration At Fair Value In Corporate Portfolio ProportionOfInsuranceIndustryConcentrationAtFairValueInCorporatePortfolio	0.15
CY2020Q4	gl	Proportion Of Electric Industry Concentration At Fair Value In Corporate Portfolio ProportionOfElectricIndustryConcentrationAtFairValueInCorporatePortfolio	0.10
CY2020Q4	gl	Proportion Of Banking Industry Concentration At Fair Value In Corporate Portfolio ProportionOfBankingIndustryConcentrationAtFairValueInCorporatePortfolio	0.07
CY2020Q4	gl	Proportion Of Pipelines Industry Concentration At Fair Value In Corporate Portfolio ProportionOfPipelinesIndustryConcentrationAtFairValueInCorporatePortfolio	0.06
CY2020Q4	gl	Proportion Of Chemicals Industry Concentration At Fair Value In Corporate Portfolio ProportionOfChemicalsIndustryConcentrationAtFairValueInCorporatePortfolio	0.04
CY2020Q4	gl	Proportion Of Transportation Industry Concentration At Fair Value In Corporate Portfolio ProportionOfTransportationIndustryConcentrationAtFairValueInCorporatePortfolio	0.04
CY2020Q4	gl	Proportion Of Food Industry Concentration At Fair Value In Corporate Portfolio ProportionOfFoodIndustryConcentrationAtFairValueInCorporatePortfolio	0.04
CY2020Q4	gl	Proportion Of Oil And Gas Industry Concentration At Fair Value In Corporate Portfolio ProportionOfOilAndGasIndustryConcentrationAtFairValueInCorporatePortfolio	0.04
CY2020Q4	gl	Proportion Of Reit Industry Concentration At Fair Value In Corporate Portfolio ProportionOfReitIndustryConcentrationAtFairValueInCorporatePortfolio	0.04
CY2020Q4	gl	Proportion Of Telecommunications Concentration At Fair Value In Corporate Portfolio ProportionOfTelecommunicationsConcentrationAtFairValueInCorporatePortfolio	0.03
CY2020Q4	gl	Percentage Of Invested Assets Rated Below Investment Grade PercentageOfInvestedAssetsRatedBelowInvestmentGrade	0.04
CY2020Q4	gl	Par Value Of Investment In Fixed Maturities Rated Below Investment Grade ParValueOfInvestmentInFixedMaturitiesRatedBelowInvestmentGrade	931000000	USD
CY2020Q4	gl	Amortization Cost Of Investment In Fixed Maturities Rated Below Investment Grade AmortizationCostOfInvestmentInFixedMaturitiesRatedBelowInvestmentGrade	841000000	USD
CY2020Q4	gl	Fair Value Of Investment In Fixed Maturities Rated Below Investment Grade FairValueOfInvestmentInFixedMaturitiesRatedBelowInvestmentGrade	877000000	USD
CY2020Q4	gl	Securities Cash And Short Term Investments Amortized Cost SecuritiesCashAndShortTermInvestmentsAmortizedCost	892000000	USD
CY2020Q4	gl	Securities Cash And Short Term Investments Held As Collateral At Fair Value SecuritiesCashAndShortTermInvestmentsHeldAsCollateralAtFairValue	1100000000	USD
CY2019Q4	gl	Securities Cash And Short Term Investments Amortized Cost SecuritiesCashAndShortTermInvestmentsAmortizedCost	816000000	USD
CY2019Q4	gl	Securities Cash And Short Term Investments Held As Collateral At Fair Value SecuritiesCashAndShortTermInvestmentsHeldAsCollateralAtFairValue	956000000	USD
CY2020Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	546981000	USD
CY2019Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	326347000	USD
CY2020Q4	gl	Financing Receivable Allowance For Credit Loss Collateral Dependent Elected For Practical Expedient FinancingReceivableAllowanceForCreditLossCollateralDependentElectedForPracticalExpedient	1002000	USD
CY2020	us-gaap	Deferred Policy Acquisition Costs Text Block1 DeferredPolicyAcquisitionCostsTextBlock1	<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Note 5—Deferred Acquisition Costs </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">An analysis of "DAC" is as follows: </span></div><div style="margin-bottom:6pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.415%"><tr><td style="width:1.0%"/><td style="width:59.047%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.694%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.535%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.694%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.535%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.695%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Year Ended December 31,</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2018</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Balance at beginning of year</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,341,941 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,137,925 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,958,063 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Additions:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred during period:</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commissions</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">600,577 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">534,735 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">497,459 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other expenses</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">222,408 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">218,926 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">202,092 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total deferred</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">822,985 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">753,661 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">699,551 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Foreign exchange adjustment</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,755 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,299 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:11.25pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Adjustment attributable to unrealized investment losses</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(1)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,533 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,549 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total additions</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">829,273 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">757,960 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">705,100 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Deductions:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amortized during period</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(575,770)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(551,726)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(516,690)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Foreign exchange adjustment</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8,548)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Adjustment attributable to unrealized investment gains</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(1)</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,218)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total deductions</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(575,770)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(553,944)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(525,238)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Balance at end of year</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,595,444 </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,341,941 </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,137,925 </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="margin-bottom:6pt;margin-top:6pt;padding-left:13.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(1)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;padding-left:3.74pt">Represents amounts pertaining to investments relating to universal life-type products.</span></div>
CY2019Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	4341941000	USD
CY2018Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	4137925000	USD
CY2017Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	3958063000	USD
CY2020	gl	Deferred Policy Acquisition Cost Commissions DeferredPolicyAcquisitionCostCommissions	600577000	USD
CY2019	gl	Deferred Policy Acquisition Cost Commissions DeferredPolicyAcquisitionCostCommissions	534735000	USD
CY2018	gl	Deferred Policy Acquisition Cost Commissions DeferredPolicyAcquisitionCostCommissions	497459000	USD
CY2020	gl	Deferred Policy Acquisition Cost Other Expenses DeferredPolicyAcquisitionCostOtherExpenses	222408000	USD
CY2019	gl	Deferred Policy Acquisition Cost Other Expenses DeferredPolicyAcquisitionCostOtherExpenses	218926000	USD
CY2018	gl	Deferred Policy Acquisition Cost Other Expenses DeferredPolicyAcquisitionCostOtherExpenses	202092000	USD
CY2020	us-gaap	Deferred Policy Acquisition Costs Additions DeferredPolicyAcquisitionCostsAdditions	822985000	USD
CY2019	us-gaap	Deferred Policy Acquisition Costs Additions DeferredPolicyAcquisitionCostsAdditions	753661000	USD
CY2018	us-gaap	Deferred Policy Acquisition Costs Additions DeferredPolicyAcquisitionCostsAdditions	699551000	USD
CY2020	gl	Deferred Policy Acquisition Cost Foreign Exchange Adjustment Additions DeferredPolicyAcquisitionCostForeignExchangeAdjustmentAdditions	4755000	USD
CY2019	gl	Deferred Policy Acquisition Cost Foreign Exchange Adjustment Additions DeferredPolicyAcquisitionCostForeignExchangeAdjustmentAdditions	4299000	USD
CY2018	gl	Deferred Policy Acquisition Cost Foreign Exchange Adjustment Additions DeferredPolicyAcquisitionCostForeignExchangeAdjustmentAdditions	0	USD
CY2020	gl	Deferred Policy Acquisition Cost Adjustment For Unrealized Investment Losses DeferredPolicyAcquisitionCostAdjustmentForUnrealizedInvestmentLosses	1533000	USD
CY2019	gl	Deferred Policy Acquisition Cost Adjustment For Unrealized Investment Losses DeferredPolicyAcquisitionCostAdjustmentForUnrealizedInvestmentLosses	0	USD
CY2018	gl	Deferred Policy Acquisition Cost Adjustment For Unrealized Investment Losses DeferredPolicyAcquisitionCostAdjustmentForUnrealizedInvestmentLosses	5549000	USD
CY2020	gl	Deferred Policy Acquisition Costs All Additions DeferredPolicyAcquisitionCostsAllAdditions	829273000	USD
CY2019	gl	Deferred Policy Acquisition Costs All Additions DeferredPolicyAcquisitionCostsAllAdditions	757960000	USD
CY2018	gl	Deferred Policy Acquisition Costs All Additions DeferredPolicyAcquisitionCostsAllAdditions	705100000	USD
CY2020	us-gaap	Contracts In Force Subject To Participation Through Reinsurance Percentage ContractsInForceSubjectToParticipationThroughReinsurancePercentage	0.003
CY2020	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	575770000	USD
CY2019	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	551726000	USD
CY2018	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	516690000	USD
CY2020	gl	Deferred Policy Acquisition Cost Foreign Exchange Adjustment Deductions DeferredPolicyAcquisitionCostForeignExchangeAdjustmentDeductions	0	USD
CY2019	gl	Deferred Policy Acquisition Cost Foreign Exchange Adjustment Deductions DeferredPolicyAcquisitionCostForeignExchangeAdjustmentDeductions	0	USD
CY2018	gl	Deferred Policy Acquisition Cost Foreign Exchange Adjustment Deductions DeferredPolicyAcquisitionCostForeignExchangeAdjustmentDeductions	8548000	USD
CY2020	gl	Deferred Policy Acquisition Cost Adjustment For Unrealized Investment Gains DeferredPolicyAcquisitionCostAdjustmentForUnrealizedInvestmentGains	0	USD
CY2019	gl	Deferred Policy Acquisition Cost Adjustment For Unrealized Investment Gains DeferredPolicyAcquisitionCostAdjustmentForUnrealizedInvestmentGains	2218000	USD
CY2018	gl	Deferred Policy Acquisition Cost Adjustment For Unrealized Investment Gains DeferredPolicyAcquisitionCostAdjustmentForUnrealizedInvestmentGains	0	USD
CY2020	gl	Deferred Policy Acquisition Cost Deductions DeferredPolicyAcquisitionCostDeductions	575770000	USD
CY2019	gl	Deferred Policy Acquisition Cost Deductions DeferredPolicyAcquisitionCostDeductions	553944000	USD
CY2018	gl	Deferred Policy Acquisition Cost Deductions DeferredPolicyAcquisitionCostDeductions	525238000	USD
CY2020Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	4595444000	USD
CY2019Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	4341941000	USD
CY2018Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	4137925000	USD
CY2020	gl	Retention Limits Per Life RetentionLimitsPerLife	500000	USD
CY2020	gl	Ratio Of Reinsurance Ceded To Premium Income RatioOfReinsuranceCededToPremiumIncome	0.002
CY2020	us-gaap	Life Insurance Assumed Ratio LifeInsuranceAssumedRatio	0.012
CY2020	us-gaap	Premiums Percentage Assumed To Net PremiumsPercentageAssumedToNet	0.005
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	4674000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	3831000	USD
CY2018	us-gaap	Operating Lease Cost OperatingLeaseCost	3959000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	5307000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	4395000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	3321000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	2873000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1896000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	10823000	USD
CY2020Q4	gl	Purchase Commitments Under Low Income Housing Program Due Within One Year PurchaseCommitmentsUnderLowIncomeHousingProgramDueWithinOneYear	66439000	USD
CY2020Q4	gl	Purchase Commitments Under Low Income Housing Program Due In Second Year PurchaseCommitmentsUnderLowIncomeHousingProgramDueInSecondYear	73451000	USD
CY2020Q4	gl	Purchase Commitments Under Low Income Housing Program Due In Third Year PurchaseCommitmentsUnderLowIncomeHousingProgramDueInThirdYear	24823000	USD
CY2020Q4	gl	Purchase Commitments Under Low Income Housing Program Duein Fourth Year PurchaseCommitmentsUnderLowIncomeHousingProgramDueinFourthYear	10347000	USD
CY2020Q4	gl	Purchase Commitments Under Low Income Housing Program Duein Fifth Year PurchaseCommitmentsUnderLowIncomeHousingProgramDueinFifthYear	9797000	USD
CY2020Q4	gl	Purchase Commitments Under Low Income Housing Program Thereafter PurchaseCommitmentsUnderLowIncomeHousingProgramThereafter	228542000	USD
CY2020Q4	gl	Number Of Guarantee Arrangements NumberOfGuaranteeArrangements	3	guarantee
CY2020Q4	us-gaap	Guaranty Liabilities GuarantyLiabilities	0	USD
CY2020Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	135000000	USD
CY2020Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	150000000	USD
CY2020Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	135000000	USD
CY2020	gl	Number Of States Private Entities Contracted With Property Audits NumberOfStatesPrivateEntitiesContractedWithPropertyAudits	47	state
CY2020	us-gaap	Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense	<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Activity in the liability for unpaid health claims is summarized as follows: </span></div><div style="margin-bottom:6pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"/><td style="width:58.782%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.784%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.532%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.784%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.532%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.786%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Year Ended December 31, </span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2018</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Balance at beginning of period</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">163,808 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">154,528 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">146,865 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Incurred related to:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current year</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">584,936 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">612,305 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">555,647 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Prior years</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,829)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,188)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3,017)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total incurred</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">570,107 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">611,117 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">552,630 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Paid related to:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current year</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">442,127 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">470,426 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">424,633 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Prior years</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">129,527 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">131,411 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">120,334 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total paid</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">571,654 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">601,837 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">544,967 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Balance at end of period</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">162,261 </span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">163,808 </span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">154,528 </span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div>
CY2020	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	570107000	USD
CY2019	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	611117000	USD
CY2018	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	552630000	USD
CY2020Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	399507000	USD
CY2019Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	365402000	USD
CY2018	gl	Low Income Housing Investments LowIncomeHousingInvestments	12240000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	129647000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	134948000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	134626000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	35264000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	35449000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	27535000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	164911000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	170397000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	162161000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	314845000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	405472000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-293678000	USD
CY2020	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	479756000	USD
CY2019	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	575869000	USD
CY2018	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	-131517000	USD
CY2018	gl	Effective Income Tax Rate Reconciliation Low Income Housing Investments EffectiveIncomeTaxRateReconciliationLowIncomeHousingInvestments	0.014
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-5013000	USD
CY2020	gl	Effective Income Tax Rate Reconciliation Excess Tax Benefitfrom Sharebased Compensation Percent EffectiveIncomeTaxRateReconciliationExcessTaxBenefitfromSharebasedCompensationPercent	-0.006
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	188304000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	195569000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	181371000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	0	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	0	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	-798000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent	-0.001
CY2020	gl	Low Income Housing Investments LowIncomeHousingInvestments	11913000	USD
CY2020	gl	Effective Income Tax Rate Reconciliation Low Income Housing Investments EffectiveIncomeTaxRateReconciliationLowIncomeHousingInvestments	0.013
CY2019	gl	Low Income Housing Investments LowIncomeHousingInvestments	11605000	USD
CY2019	gl	Effective Income Tax Rate Reconciliation Low Income Housing Investments EffectiveIncomeTaxRateReconciliationLowIncomeHousingInvestments	0.012
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-11780000	USD
CY2019	gl	Effective Income Tax Rate Reconciliation Excess Tax Benefitfrom Sharebased Compensation Percent EffectiveIncomeTaxRateReconciliationExcessTaxBenefitfromSharebasedCompensationPercent	-0.013
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-6450000	USD
CY2018	gl	Effective Income Tax Rate Reconciliation Excess Tax Benefitfrom Sharebased Compensation Percent EffectiveIncomeTaxRateReconciliationExcessTaxBenefitfromSharebasedCompensationPercent	-0.007
CY2020	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	5830000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.006
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	3192000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.003
CY2018	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1230000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.001
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-637000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1405000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1508000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	164911000	USD
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.184
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	170397000	USD
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.183
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	162161000	USD
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.188
CY2020Q4	gl	Deferred Tax Assets Fixed Maturity Investments DeferredTaxAssetsFixedMaturityInvestments	4279000	USD
CY2019Q4	gl	Deferred Tax Assets Fixed Maturity Investments DeferredTaxAssetsFixedMaturityInvestments	6161000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	5534000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	7827000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	9813000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	13988000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other Comprehensive Income DeferredTaxLiabilitiesOtherComprehensiveIncome	808071000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other Comprehensive Income DeferredTaxLiabilitiesOtherComprehensiveIncome	493174000	USD
CY2020Q4	gl	Deferred Tax Liabilities Tax Deferred Expense Compensation And Benefits DeferredTaxLiabilitiesTaxDeferredExpenseCompensationAndBenefits	88012000	USD
CY2019Q4	gl	Deferred Tax Liabilities Tax Deferred Expense Compensation And Benefits DeferredTaxLiabilitiesTaxDeferredExpenseCompensationAndBenefits	81174000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost	688034000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost	658457000	USD
CY2020Q4	gl	Deferred Tax Liabilities Insurance Liabilities DeferredTaxLiabilitiesInsuranceLiabilities	257640000	USD
CY2019Q4	gl	Deferred Tax Liabilities Insurance Liabilities DeferredTaxLiabilitiesInsuranceLiabilities	242124000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	7209000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	26271000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1848966000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1501200000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1839153000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1487212000	USD
CY2020Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	26400000	USD
CY2020Q4	gl	Operating Loss Carryforwards Subject To Expiration OperatingLossCarryforwardsSubjectToExpiration	22400000	USD
CY2020Q4	gl	Operating Loss Carryforwards Not Subject To Expiration OperatingLossCarryforwardsNotSubjectToExpiration	4000000.0	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2020	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	0	USD
CY2019	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	55000	USD
CY2018	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	0	USD
CY2020Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	0	USD
CY2019Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	0	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4855000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4817000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4068000	USD
CY2020	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	33826000	USD
CY2019	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	24134000	USD
CY2018	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	32593000	USD
CY2020	gl	Eligibility Compensation Cap For Supplemental Retirement Plan EligibilityCompensationCapForSupplementalRetirementPlan	1000000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	529532000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Plan Assets DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets	529532000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	468763000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Plan Assets DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets	468763000	USD
CY2020	gl	Maximum Allowed Investment Percentage In Any Single Issuer In Pension Plan Assets At Time Of Purchase MaximumAllowedInvestmentPercentageInAnySingleIssuerInPensionPlanAssetsAtTimeOfPurchase	0.10
CY2020	gl	Insurance Premium Paid For Supplemental Pension Plan InsurancePremiumPaidForSupplementalPensionPlan	2480000	USD
CY2019	gl	Insurance Premium Paid For Supplemental Pension Plan InsurancePremiumPaidForSupplementalPensionPlan	2394000	USD
CY2018	gl	Insurance Premium Paid For Supplemental Pension Plan InsurancePremiumPaidForSupplementalPensionPlan	2997000	USD
CY2020Q4	gl	Insurance Cash Value Of Supplemental Pension Plan InsuranceCashValueOfSupplementalPensionPlan	51361000	USD
CY2019Q4	gl	Insurance Cash Value Of Supplemental Pension Plan InsuranceCashValueOfSupplementalPensionPlan	47733000	USD
CY2020Q4	gl	Investment In Investment Fund InvestmentInInvestmentFund	75390000	USD
CY2019Q4	gl	Investment In Investment Fund InvestmentInInvestmentFund	65585000	USD
CY2020Q4	gl	Insurance Cash Value And Investment Fund Supporting Supplemental Pension Plan Liability InsuranceCashValueAndInvestmentFundSupportingSupplementalPensionPlanLiability	126751000	USD
CY2019Q4	gl	Insurance Cash Value And Investment Fund Supporting Supplemental Pension Plan Liability InsuranceCashValueAndInvestmentFundSupportingSupplementalPensionPlanLiability	113318000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Projected Benefit Obligation DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation	667753000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	763313000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	683579000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	665207000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	601310000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Projected Benefit Obligation DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation	667753000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Projected Benefit Obligation DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation	578860000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Plan Assets DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets	529532000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Plan Assets DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets	468763000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	594510000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	520264000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	529532000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	468763000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-182233000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-150071000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-193380000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	-632000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	-631000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	-535000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	16000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	7843000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	14560000	USD
CY2020	gl	Defined Benefit Plan Amortization Net DefinedBenefitPlanAmortizationNet	16632000	USD
CY2019	gl	Defined Benefit Plan Amortization Net DefinedBenefitPlanAmortizationNet	8474000	USD
CY2018	gl	Defined Benefit Plan Amortization Net DefinedBenefitPlanAmortizationNet	15095000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	2377000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-43169000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-40636000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	30591000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-208770000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-182233000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-150071000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	35892000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	44843000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	39792000	USD
CY2020	gl	Noncash Commitments For Low Income Housing Interests NoncashCommitmentsForLowIncomeHousingInterests	161503000	USD
CY2019	gl	Noncash Commitments For Low Income Housing Interests NoncashCommitmentsForLowIncomeHousingInterests	51978000	USD
CY2018	gl	Noncash Commitments For Low Income Housing Interests NoncashCommitmentsForLowIncomeHousingInterests	50883000	USD
CY2020	gl	Exchangesof Fixed Maturity Investments ExchangesofFixedMaturityInvestments	219807000	USD
CY2019	gl	Exchangesof Fixed Maturity Investments ExchangesofFixedMaturityInvestments	243156000	USD
CY2018	gl	Exchangesof Fixed Maturity Investments ExchangesofFixedMaturityInvestments	193449000	USD
CY2020	gl	Net Unsettled Security Trades NetUnsettledSecurityTrades	1669000	USD
CY2019	gl	Net Unsettled Security Trades NetUnsettledSecurityTrades	8421000	USD
CY2018	gl	Net Unsettled Security Trades NetUnsettledSecurityTrades	39851000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	83518000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	81723000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	83518000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	76701000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	101982000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	91510000	USD
CY2020Q4	gl	Longterm Debt Face Amount LongtermDebtFaceAmount	1690612000	USD
CY2020Q4	gl	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Noncurrent Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNoncurrentNet	22726000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	1667886000	USD
CY2020Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	1871754000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	1358363000	USD
CY2020Q4	gl	Longterm Debt Face Amount LongtermDebtFaceAmount	1690612000	USD
CY2020Q4	gl	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Noncurrent Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNoncurrentNet	22726000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1667886000	USD
CY2020Q4	gl	Long Term Debt Fair Value Excluding Current Maturities LongTermDebtFairValueExcludingCurrentMaturities	1871754000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1348988000	USD
CY2020Q4	gl	Longtermdebt Face Amount Current Maturities LongtermdebtFaceAmountCurrentMaturities	0	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	USD
CY2020Q4	gl	Longterm Debt Fair Value Current Maturities LongtermDebtFairValueCurrentMaturities	0	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	9375000	USD
CY2020Q4	gl	Shortterm Debt Face Amount ShorttermDebtFaceAmount	255000000	USD
CY2020Q4	gl	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Current Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsCurrentNet	82000	USD
CY2020Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	254918000	USD
CY2020Q4	us-gaap	Shortterm Debt Fair Value ShorttermDebtFairValue	254918000	USD
CY2019Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	298738000	USD
CY2020Q4	gl	Long Term And Short Term Debt Face Amount LongTermAndShortTermDebtFaceAmount	1945612000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	22808000	USD
CY2020Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	1922804000	USD
CY2020Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	2126672000	USD
CY2019Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	1647726000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	255000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	150000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	165612000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1375000000	USD
CY2020Q4	us-gaap	Line Of Credit Facility Interest Rate At Period End LineOfCreditFacilityInterestRateAtPeriodEnd	0.0027
CY2019Q4	us-gaap	Line Of Credit Facility Interest Rate At Period End LineOfCreditFacilityInterestRateAtPeriodEnd	0.0204
CY2020Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	135000000	USD
CY2019Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	150000000	USD
CY2020Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	360000000	USD
CY2019Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	310000000	USD
CY2020	us-gaap	Line Of Credit Facility Average Outstanding Amount LineOfCreditFacilityAverageOutstandingAmount	318409000	USD
CY2019	us-gaap	Line Of Credit Facility Average Outstanding Amount LineOfCreditFacilityAverageOutstandingAmount	288684000	USD
CY2020Q4	us-gaap	Amount Of Restricted Net Assets For Consolidated And Unconsolidated Subsidiaries AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries	1000000000.0	USD
CY2018	us-gaap	Line Of Credit Facility Average Outstanding Amount LineOfCreditFacilityAverageOutstandingAmount	368228000	USD
CY2020	us-gaap	Line Of Credit Facility Interest Rate During Period LineOfCreditFacilityInterestRateDuringPeriod	0.0150
CY2019	us-gaap	Line Of Credit Facility Interest Rate During Period LineOfCreditFacilityInterestRateDuringPeriod	0.0262
CY2018	us-gaap	Line Of Credit Facility Interest Rate During Period LineOfCreditFacilityInterestRateDuringPeriod	0.0240
CY2020	us-gaap	Line Of Credit Facility Maximum Amount Outstanding During Period LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod	482000000	USD
CY2019	us-gaap	Line Of Credit Facility Maximum Amount Outstanding During Period LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod	385000000	USD
CY2018	us-gaap	Line Of Credit Facility Maximum Amount Outstanding During Period LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod	525990000	USD
CY2020Q3	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	634000	USD
CY2020	us-gaap	Cash Dividends Paid To Parent Company By Consolidated Subsidiaries CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries	486000000	USD
CY2019	us-gaap	Cash Dividends Paid To Parent Company By Consolidated Subsidiaries CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries	480000000	USD
CY2018	us-gaap	Cash Dividends Paid To Parent Company By Consolidated Subsidiaries CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries	448000000	USD
CY2020Q4	us-gaap	Statutory Accounting Practices Statutory Amount Available For Dividend Payments Without Regulatory Approval StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval	435000000	USD
CY2020Q4	us-gaap	Equity Restrictions EquityRestrictions	4200000000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	5900000000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	106075267	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	109213524	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	112872581	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1149327	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2167726	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2376372	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	107224594	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	111381250	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	115248953	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2476019	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	21556	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1161521	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	7167718	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	9422760	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	2964320	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized	0	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized	0	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized	8984000	shares
CY2020	gl	Sharebased Compensation Arrangementby Sharebased Payment Award Cancellation Of Available Shares From Prior Plans Shares SharebasedCompensationArrangementbySharebasedPaymentAwardCancellationOfAvailableSharesFromPriorPlansShares	0	shares
CY2019	gl	Sharebased Compensation Arrangementby Sharebased Payment Award Cancellation Of Available Shares From Prior Plans Shares SharebasedCompensationArrangementbySharebasedPaymentAwardCancellationOfAvailableSharesFromPriorPlansShares	0	shares
CY2018	gl	Sharebased Compensation Arrangementby Sharebased Payment Award Cancellation Of Available Shares From Prior Plans Shares SharebasedCompensationArrangementbySharebasedPaymentAwardCancellationOfAvailableSharesFromPriorPlansShares	184000	shares
CY2020	gl	Share Based Compensation Arrangement By Share Based Payment Award Available For Grant Options Expired And Forfeited ShareBasedCompensationArrangementByShareBasedPaymentAwardAvailableForGrantOptionsExpiredAndForfeited	38820	shares
CY2019	gl	Share Based Compensation Arrangement By Share Based Payment Award Available For Grant Options Expired And Forfeited ShareBasedCompensationArrangementByShareBasedPaymentAwardAvailableForGrantOptionsExpiredAndForfeited	20800	shares
CY2018	gl	Share Based Compensation Arrangement By Share Based Payment Award Available For Grant Options Expired And Forfeited ShareBasedCompensationArrangementByShareBasedPaymentAwardAvailableForGrantOptionsExpiredAndForfeited	41317	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	5984418	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	7167718	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	9422760	shares
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	35892000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	44843000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	39792000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	12550000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	21197000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	14806000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	0	USD
CY2019	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	0	USD
CY2018	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	0	USD
CY2020Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	28125000	USD
CY2019Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	34723000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P0Y7M24D
CY2019	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P0Y9M10D
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CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7203765	shares
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CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	6753801	shares
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CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	936289	shares
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CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	40.21
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CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	75.27
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CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	82.89
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CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7111231	shares
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CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	6724358	shares
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CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7203765	shares
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CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	57.27
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CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	126467000	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	236546000	USD
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y5M1D
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y3M7D
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	94527000	USD
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	143935000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	14.64
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	14.20
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CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	40517000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	82022000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	42517000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	48093000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	83163000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	36091000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	8508000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	17225000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	8929000	USD
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CY2019Q4	gl	Stock Based Compensation Restricted Stock Units Outstanding Shares StockBasedCompensationRestrictedStockUnitsOutstandingShares	71006	shares
CY2020Q4	gl	Stock Based Compensation Restricted Stock Units Outstanding Shares StockBasedCompensationRestrictedStockUnitsOutstandingShares	77167	shares
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CY2018	us-gaap	Stock Issued During Period Shares Restricted Stock Award Gross StockIssuedDuringPeriodSharesRestrictedStockAwardGross	177493	shares
CY2018	gl	Sharebased Compensation Arrangementby Sharebased Payment Award Equity Instruments Otherthan Options Adjustmentfor Performance Objectives Shares SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAdjustmentforPerformanceObjectivesShares	179415	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	191641	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	0	shares
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CY2019	us-gaap	Stock Issued During Period Shares Restricted Stock Award Gross StockIssuedDuringPeriodSharesRestrictedStockAwardGross	171974	shares
CY2019	gl	Sharebased Compensation Arrangementby Sharebased Payment Award Equity Instruments Otherthan Options Adjustmentfor Performance Objectives Shares SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAdjustmentforPerformanceObjectivesShares	118812	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	338873	shares
CY2018	us-gaap	Premiums Earned Net PremiumsEarnedNet	3421906000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	0	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	716542	shares
CY2020	us-gaap	Stock Issued During Period Shares Restricted Stock Award Gross StockIssuedDuringPeriodSharesRestrictedStockAwardGross	161909	shares
CY2020	gl	Sharebased Compensation Arrangementby Sharebased Payment Award Equity Instruments Otherthan Options Adjustmentfor Performance Objectives Shares SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAdjustmentforPerformanceObjectivesShares	-65473	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	282552	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	11450	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	518976	shares
CY2020	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	4	segment
CY2020	us-gaap	Premiums Earned Net PremiumsEarnedNet	3813905000	USD
CY2020	gl	Product Premium As Percentage Of Segment Premium ProductPremiumAsPercentageOfSegmentPremium	1
CY2019	us-gaap	Premiums Earned Net PremiumsEarnedNet	3595134000	USD
CY2019	gl	Product Premium As Percentage Of Segment Premium ProductPremiumAsPercentageOfSegmentPremium	1
CY2018	gl	Product Premium As Percentage Of Segment Premium ProductPremiumAsPercentageOfSegmentPremium	1
CY2020	us-gaap	Premiums Earned Net PremiumsEarnedNet	3813905000	USD
CY2020	us-gaap	Net Investment Income NetInvestmentIncome	927062000	USD
CY2020	us-gaap	Other Income OtherIncome	1325000	USD
CY2020	gl	Segment Revenues Excluding Realized Investment Gains Losses SegmentRevenuesExcludingRealizedInvestmentGainsLosses	4742292000	USD
CY2020	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	2572884000	USD
CY2020	gl	Required Interest On Policy Reserves RequiredInterestOnPolicyReserves	0	USD
CY2020	gl	Required Interest On Deferred Acquisition Costs RequiredInterestOnDeferredAcquisitionCosts	0	USD
CY2020	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	575770000	USD
CY2020	gl	Non Deferred Acquisition Costs And Premium Taxes NonDeferredAcquisitionCostsAndPremiumTaxes	304841000	USD
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	254932000	USD
CY2020	gl	Parent Expense ParentExpense	10214000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	35892000	USD
CY2020	us-gaap	Interest Expense InterestExpense	86704000	USD
CY2020	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	3841237000	USD
CY2020	us-gaap	Gross Profit GrossProfit	901055000	USD
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	4308000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	905363000	USD
CY2020	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-3737000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-634000	USD
CY2020	us-gaap	Loss Contingency Accrual Provision LossContingencyAccrualProvision	3275000	USD
CY2020	gl	Nonoperating Fees NonoperatingFees	1033000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	896684000	USD
CY2019	us-gaap	Premiums Earned Net PremiumsEarnedNet	3595134000	USD
CY2019	us-gaap	Net Investment Income NetInvestmentIncome	910459000	USD
CY2019	us-gaap	Other Income OtherIncome	1318000	USD
CY2019	gl	Segment Revenues Excluding Realized Investment Gains Losses SegmentRevenuesExcludingRealizedInvestmentGainsLosses	4506911000	USD
CY2019	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	2357349000	USD
CY2019	gl	Required Interest On Policy Reserves RequiredInterestOnPolicyReserves	0	USD
CY2019	gl	Required Interest On Deferred Acquisition Costs RequiredInterestOnDeferredAcquisitionCosts	0	USD
CY2019	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	551726000	USD
CY2019	gl	Non Deferred Acquisition Costs And Premium Taxes NonDeferredAcquisitionCostsAndPremiumTaxes	298047000	USD
CY2019	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	249079000	USD
CY2019	gl	Parent Expense ParentExpense	10903000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	44843000	USD
CY2019	us-gaap	Interest Expense InterestExpense	84306000	USD
CY2019	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	3596253000	USD
CY2019	us-gaap	Gross Profit GrossProfit	910658000	USD
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	9401000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	920059000	USD
CY2019	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	20621000	USD
CY2019	gl	Segment Reporting Reconciling Items Administrative Settlement Expense SegmentReportingReconcilingItemsAdministrativeSettlementExpense	400000	USD
CY2019	us-gaap	Loss Contingency Accrual Provision LossContingencyAccrualProvision	8358000	USD
CY2019	gl	Nonoperating Fees NonoperatingFees	643000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	931279000	USD
CY2018	us-gaap	Premiums Earned Net PremiumsEarnedNet	3421906000	USD
CY2018	us-gaap	Net Investment Income NetInvestmentIncome	882512000	USD
CY2018	us-gaap	Other Income OtherIncome	1137000	USD
CY2018	gl	Segment Revenues Excluding Realized Investment Gains Losses SegmentRevenuesExcludingRealizedInvestmentGainsLosses	4305555000	USD
CY2018	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	2275242000	USD
CY2018	gl	Required Interest On Policy Reserves RequiredInterestOnPolicyReserves	0	USD
CY2018	gl	Required Interest On Deferred Acquisition Costs RequiredInterestOnDeferredAcquisitionCosts	0	USD
CY2018	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	516690000	USD
CY2018	gl	Non Deferred Acquisition Costs And Premium Taxes NonDeferredAcquisitionCostsAndPremiumTaxes	278487000	USD
CY2018	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	227531000	USD
CY2018	gl	Parent Expense ParentExpense	12262000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	39792000	USD
CY2018	us-gaap	Interest Expense InterestExpense	90076000	USD
CY2018	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	3440080000	USD
CY2018	us-gaap	Gross Profit GrossProfit	865475000	USD
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	5168000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	870643000	USD
CY2018	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	9274000	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-11078000	USD
CY2018	gl	Segment Reporting Reconciling Items Administrative Settlement Expense SegmentReportingReconcilingItemsAdministrativeSettlementExpense	3590000	USD
CY2018	gl	Nonoperating Fees NonoperatingFees	1578000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	863671000	USD
CY2020Q4	us-gaap	Investments And Cash InvestmentsAndCash	22547498000	USD
CY2020Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	248991000	USD
CY2020Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	4595444000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	441591000	USD
CY2020Q4	gl	Other Assets Related To Business Segments OtherAssetsRelatedToBusinessSegments	1213207000	USD
CY2020Q4	us-gaap	Assets Assets	29046731000	USD
CY2019Q4	us-gaap	Investments And Cash InvestmentsAndCash	19923204000	USD
CY2019Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	245129000	USD
CY2019Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	4341941000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	441591000	USD
CY2019Q4	gl	Other Assets Related To Business Segments OtherAssetsRelatedToBusinessSegments	1025595000	USD
CY2019Q4	us-gaap	Assets Assets	25977460000	USD
CY2020Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	15243536000	USD
CY2020Q4	us-gaap	Unearned Premiums UnearnedPremiums	61728000	USD
CY2020Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	399507000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1922804000	USD
CY2020Q4	gl	Other Liabilities Relatedto Business Segments OtherLiabilitiesRelatedtoBusinessSegments	2648064000	USD
CY2020Q4	gl	Business Segment Selected Liabilities BusinessSegmentSelectedLiabilities	20275639000	USD
CY2019Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	14508134000	USD
CY2019Q4	us-gaap	Unearned Premiums UnearnedPremiums	63709000	USD
CY2019Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	365402000	USD
CY2019Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1647726000	USD
CY2019Q4	gl	Other Liabilities Relatedto Business Segments OtherLiabilitiesRelatedtoBusinessSegments	2098182000	USD
CY2019Q4	gl	Business Segment Selected Liabilities BusinessSegmentSelectedLiabilities	18683153000	USD
CY2020Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	929835000	USD
CY2020Q2	us-gaap	Premiums Earned Net PremiumsEarnedNet	953702000	USD
CY2020Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	961817000	USD
CY2020Q4	us-gaap	Premiums Earned Net PremiumsEarnedNet	968551000	USD
CY2020Q1	us-gaap	Net Investment Income NetInvestmentIncome	228991000	USD
CY2020Q2	us-gaap	Net Investment Income NetInvestmentIncome	231568000	USD
CY2020Q3	us-gaap	Net Investment Income NetInvestmentIncome	231432000	USD
CY2020Q4	us-gaap	Net Investment Income NetInvestmentIncome	235071000	USD
CY2020Q1	gl	Realized Investment Gains Losses And Gain Loss On Extinguishment Of Debt RealizedInvestmentGainsLossesAndGainLossOnExtinguishmentOfDebt	-26097000	USD
CY2020Q2	gl	Realized Investment Gains Losses And Gain Loss On Extinguishment Of Debt RealizedInvestmentGainsLossesAndGainLossOnExtinguishmentOfDebt	-4790000	USD
CY2020Q3	gl	Realized Investment Gains Losses And Gain Loss On Extinguishment Of Debt RealizedInvestmentGainsLossesAndGainLossOnExtinguishmentOfDebt	1501000	USD
CY2020Q4	gl	Realized Investment Gains Losses And Gain Loss On Extinguishment Of Debt RealizedInvestmentGainsLossesAndGainLossOnExtinguishmentOfDebt	25015000	USD
CY2020Q1	us-gaap	Revenues Revenues	1133054000	USD
CY2020Q2	us-gaap	Revenues Revenues	1180884000	USD
CY2020Q3	us-gaap	Revenues Revenues	1195042000	USD
CY2020Q4	us-gaap	Revenues Revenues	1228941000	USD
CY2020Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	607969000	USD
CY2020Q2	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	650816000	USD
CY2020Q3	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	650976000	USD
CY2020Q4	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	663123000	USD
CY2020Q1	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	143837000	USD
CY2020Q2	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	146160000	USD
CY2020Q3	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	140843000	USD
CY2020Q4	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	144930000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	202921000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	212241000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	231538000	USD
CY2020Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	249984000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	165540000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	173048000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	188945000	USD
CY2020Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	204240000	USD
CY2020Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2020Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2020Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	165540000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	173048000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	188945000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	204240000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.54
CY2020Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.63
CY2020Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.78
CY2020Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.96
CY2020Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2020Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2020Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.54
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.63
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.78
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.96
CY2020Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.52
CY2020Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.62
CY2020Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.76
CY2020Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.93
CY2020Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.52
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.62
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.76
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.93
CY2019Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	890973000	USD
CY2019Q2	us-gaap	Premiums Earned Net PremiumsEarnedNet	897484000	USD
CY2019Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	899993000	USD
CY2019Q4	us-gaap	Premiums Earned Net PremiumsEarnedNet	906684000	USD
CY2019Q1	us-gaap	Net Investment Income NetInvestmentIncome	226673000	USD
CY2019Q2	us-gaap	Net Investment Income NetInvestmentIncome	227425000	USD
CY2019Q3	us-gaap	Net Investment Income NetInvestmentIncome	228905000	USD
CY2019Q4	us-gaap	Net Investment Income NetInvestmentIncome	227456000	USD
CY2019Q1	gl	Realized Investment Gains Losses And Gain Loss On Extinguishment Of Debt RealizedInvestmentGainsLossesAndGainLossOnExtinguishmentOfDebt	1329000	USD
CY2019Q2	gl	Realized Investment Gains Losses And Gain Loss On Extinguishment Of Debt RealizedInvestmentGainsLossesAndGainLossOnExtinguishmentOfDebt	5154000	USD
CY2019Q3	gl	Realized Investment Gains Losses And Gain Loss On Extinguishment Of Debt RealizedInvestmentGainsLossesAndGainLossOnExtinguishmentOfDebt	11943000	USD
CY2019Q4	gl	Realized Investment Gains Losses And Gain Loss On Extinguishment Of Debt RealizedInvestmentGainsLossesAndGainLossOnExtinguishmentOfDebt	2195000	USD
CY2019Q1	us-gaap	Revenues Revenues	1119216000	USD
CY2019Q2	us-gaap	Revenues Revenues	1130461000	USD
CY2019Q3	us-gaap	Revenues Revenues	1141279000	USD
CY2019Q4	us-gaap	Revenues Revenues	1136576000	USD
CY2019Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	587757000	USD
CY2019Q2	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	589362000	USD
CY2019Q3	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	585692000	USD
CY2019Q4	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	594538000	USD
CY2019Q1	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	135822000	USD
CY2019Q2	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	138165000	USD
CY2019Q3	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	138449000	USD
CY2019Q4	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	139290000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	228101000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	228760000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	247330000	USD
CY2019Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	227088000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	185394000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	186609000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	201818000	USD
CY2019Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	187061000	USD
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-49000	USD
CY2019Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-43000	USD
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2019Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	185345000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	186566000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	201818000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	187061000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.68
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.70
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.85
CY2019Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.73
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.68
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.70
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.85
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.73
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.65
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.67
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.82
CY2019Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.69
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.65
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.67
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.82
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.69
CY2020Q4	srt	Life Insurance In Force Gross LifeInsuranceInForceGross	203894460000	USD
CY2020	gl	Life Insurance In Force Ceded To Other Companies LifeInsuranceInForceCededToOtherCompanies	669063000	USD
CY2020	gl	Life Insurance In Force Assumed From Other Companies LifeInsuranceInForceAssumedFromOtherCompanies	2551770000	USD
CY2020Q4	srt	Life Insurance In Force Net LifeInsuranceInForceNet	205777167000	USD
CY2020Q4	srt	Life Insurance In Force Percentage Assumed To Net LifeInsuranceInForcePercentageAssumedToNet	0.012
CY2020	us-gaap	Direct Premiums Earned DirectPremiumsEarned	3787025000	USD
CY2020	us-gaap	Ceded Premiums Earned CededPremiumsEarned	7614000	USD
CY2020	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	19775000	USD
CY2020	gl	Premiums Earned Net Excluding Policy Charges PremiumsEarnedNetExcludingPolicyCharges	3799186000	USD
CY2020	us-gaap	Premiums Percentage Assumed To Net PremiumsPercentageAssumedToNet	0.005
CY2019Q4	srt	Life Insurance In Force Gross LifeInsuranceInForceGross	191249516000	USD
CY2019	gl	Life Insurance In Force Ceded To Other Companies LifeInsuranceInForceCededToOtherCompanies	676988000	USD
CY2019	gl	Life Insurance In Force Assumed From Other Companies LifeInsuranceInForceAssumedFromOtherCompanies	2774388000	USD
CY2019Q4	srt	Life Insurance In Force Net LifeInsuranceInForceNet	193346916000	USD
CY2019Q4	srt	Life Insurance In Force Percentage Assumed To Net LifeInsuranceInForcePercentageAssumedToNet	0.014
CY2019	us-gaap	Direct Premiums Earned DirectPremiumsEarned	3566996000	USD
CY2019	us-gaap	Ceded Premiums Earned CededPremiumsEarned	7880000	USD
CY2019	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	20384000	USD
CY2019	gl	Premiums Earned Net Excluding Policy Charges PremiumsEarnedNetExcludingPolicyCharges	3579500000	USD
CY2019	us-gaap	Premiums Percentage Assumed To Net PremiumsPercentageAssumedToNet	0.006
CY2018Q4	srt	Life Insurance In Force Gross LifeInsuranceInForceGross	185212195000	USD
CY2018	gl	Life Insurance In Force Ceded To Other Companies LifeInsuranceInForceCededToOtherCompanies	688384000	USD
CY2018	gl	Life Insurance In Force Assumed From Other Companies LifeInsuranceInForceAssumedFromOtherCompanies	3019737000	USD
CY2018Q4	srt	Life Insurance In Force Net LifeInsuranceInForceNet	187543548000	USD
CY2018Q4	srt	Life Insurance In Force Percentage Assumed To Net LifeInsuranceInForcePercentageAssumedToNet	0.016
CY2018	us-gaap	Direct Premiums Earned DirectPremiumsEarned	3392430000	USD
CY2018	us-gaap	Ceded Premiums Earned CededPremiumsEarned	8249000	USD
CY2018	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	21305000	USD
CY2018	gl	Premiums Earned Net Excluding Policy Charges PremiumsEarnedNetExcludingPolicyCharges	3405486000	USD
CY2018	us-gaap	Premiums Percentage Assumed To Net PremiumsPercentageAssumedToNet	0.006
CY2020	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	14700000	USD
CY2019	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	15600000	USD
CY2018	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	16400000	USD

Files In Submission

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$GL
GLOBE LIFE INC. Stock $gl

2020 Q4 Form 10-K Financial Statement

#000032033521000010 Filed on February 25, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GL GLOBE LIFE INC. Stock $gl

2020 Q4 Form 10-K Financial Statement

#000032033521000010 Filed on February 25, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GL
GLOBE LIFE INC. Stock $gl