$ERIE
ERIE INDEMNITY CO Stock $erie

$erie Overview Financials Valuation SEC Filings Company Website

2017 Q4 Form 10-K Financial Statement

#000092262118000016 Filed on February 22, 2018

Income Statement

Concept	2017 Q4	2017 Q3	2017 Q2
Revenue	$401.4M	$442.5M	$448.6M
YoY Change	5.74%	5.76%	5.82%
Cost Of Revenue	$342.8M	$361.3M	$365.1M
YoY Change
Gross Profit	$58.60M	$81.20M	$83.40M
YoY Change
Gross Profit Margin	14.6%	18.35%	18.59%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization
YoY Change
% of Gross Profit
Operating Expenses	$342.8M	$361.3M	$365.1M
YoY Change	6.15%	7.47%	7.98%
Operating Profit	-$284.2M	$81.24M	$83.45M
YoY Change		-1.24%	-2.69%
Interest Expense	$438.0K	$377.0K	$257.0K
YoY Change	333.66%	-91.23%	-96.53%
% of Operating Profit		0.46%	0.31%
Other Income/Expense, Net	-$700.0K	-$415.0K	-$407.0K
YoY Change
Pretax Income	$64.64M	$88.87M	$89.24M
YoY Change	-7.82%	2.64%	-4.22%
Income Tax	$22.50M	$30.32M	$30.71M
% Of Pretax Income	34.81%	34.12%	34.41%
Net Earnings	$32.05M	$58.54M	$58.53M
YoY Change	-29.99%	2.03%	-4.54%
Net Earnings / Revenue	7.99%	13.23%	13.05%
Basic Earnings Per Share
Diluted Earnings Per Share	$549.7K	$1.002M	$1.119M
COMMON SHARES
Basic Shares Outstanding
Diluted Shares Outstanding

Balance Sheet

Concept	2017 Q4	2017 Q3	2017 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$287.0M	$250.0M	$217.0M
YoY Change	17.14%	30.21%	26.9%
Cash & Equivalents	$215.7M	$184.6M	$144.7M
Short-Term Investments	$71.00M	$65.00M	$72.00M
Other Short-Term Assets	$35.00M	$36.00M	$36.00M
YoY Change	16.67%	20.0%	5.88%
Inventory
Prepaid Expenses
Receivables	$425.0M	$435.0M	$418.0M
Other Receivables	$55.00M	$0.00	$0.00
Total Short-Term Assets	$801.9M	$720.7M	$671.1M
YoY Change	20.49%	14.8%	12.28%
LONG-TERM ASSETS
Property, Plant & Equipment	$83.00M	$75.00M	$71.00M
YoY Change	20.29%	29.31%	20.34%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$45.12M	$49.45M	$53.23M
YoY Change	-22.42%	-25.02%	-24.98%
Other Assets	$28.79M	$29.42M	$22.36M
YoY Change	43.28%	50.3%	18.33%
Total Long-Term Assets	$864.0M	$910.8M	$896.1M
YoY Change	-2.2%	6.24%	9.67%
TOTAL ASSETS
Total Short-Term Assets	$801.9M	$720.7M	$671.1M
Total Long-Term Assets	$864.0M	$910.8M	$896.1M
Total Assets	$1.666B	$1.631B	$1.567B
YoY Change	7.55%	9.86%	10.77%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$105.0M	$99.00M	$87.00M
YoY Change	19.32%	4.21%	-4.4%
Accrued Expenses	$123.0M	$93.00M	$63.00M
YoY Change	6.96%	9.41%	8.62%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$0.00
YoY Change
Total Short-Term Liabilities	$509.9M	$483.4M	$431.0M
YoY Change	8.58%	6.65%	3.74%
LONG-TERM LIABILITIES
Long-Term Debt	$74.73M	$49.73M	$49.74M
YoY Change	201.74%
Other Long-Term Liabilities	$1.899M	$1.509M	$1.004M
YoY Change	1.93%	-14.41%	617.14%
Total Long-Term Liabilities	$76.63M	$51.24M	$50.75M
YoY Change	187.76%	2806.58%	36147.14%
TOTAL LIABILITIES
Total Short-Term Liabilities	$509.9M	$483.4M	$431.0M
Total Long-Term Liabilities	$76.63M	$51.24M	$50.75M
Total Liabilities	$808.5M	$756.3M	$714.0M
YoY Change	10.45%	17.06%	19.07%
SHAREHOLDERS EQUITY
Retained Earnings	$2.141B	$2.122B	$2.099B
YoY Change	3.63%	3.16%	3.26%
Common Stock	$16.47M	$16.47M	$16.47M
YoY Change	1.04%	1.04%	1.04%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$857.3M	$875.2M	$853.2M
YoY Change
Total Liabilities & Shareholders Equity	$1.666B	$1.631B	$1.567B
YoY Change	7.55%	9.86%	10.77%

Cashflow Statement

Concept	2017 Q4	2017 Q3	2017 Q2
OPERATING ACTIVITIES
Net Income	$32.05M	$58.54M	$58.53M
YoY Change	-29.99%	2.03%	-4.54%
Depreciation, Depletion And Amortization
YoY Change
Cash From Operating Activities	$76.80M	$80.80M	$74.60M
YoY Change	-22.19%	-23.12%	3.18%
INVESTING ACTIVITIES
Capital Expenditures	-$10.90M	-$8.000M	-$6.400M
YoY Change	-26.35%	158.06%	68.42%
Acquisitions
YoY Change
Other Investing Activities	-$23.30M	$3.600M	-$22.50M
YoY Change	-8.63%	-106.9%	44.23%
Cash From Investing Activities	-$34.30M	-$4.500M	-$28.80M
YoY Change	-14.89%	-91.86%	47.69%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-11.40M	-36.50M	-11.40M
YoY Change	23.91%	7.35%	-66.47%
NET CHANGE
Cash From Operating Activities	76.80M	80.80M	74.60M
Cash From Investing Activities	-34.30M	-4.500M	-28.80M
Cash From Financing Activities	-11.40M	-36.50M	-11.40M
Net Change In Cash	31.10M	39.80M	34.40M
YoY Change	-36.79%	151.9%	82.98%
FREE CASH FLOW
Cash From Operating Activities	$76.80M	$80.80M	$74.60M
Capital Expenditures	-$10.90M	-$8.000M	-$6.400M
Free Cash Flow	$87.70M	$88.80M	$81.00M
YoY Change	-22.73%	-17.93%	6.44%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2017	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2017	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2017	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
CY2017	dei	Document Period End Date DocumentPeriodEndDate	2017-12-31
CY2017	dei	Document Type DocumentType	10-K
CY2017	dei	Entity Central Index Key EntityCentralIndexKey	0000922621
CY2017	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2017	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2017Q2	dei	Entity Public Float EntityPublicFloat	3100000000	USD
CY2017	dei	Entity Registrant Name EntityRegistrantName	ERIE INDEMNITY CO
CY2017	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2017	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
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CY2017Q4	erie	Accrued Bonuses And Deferred Compensation Liability Current And Noncurrent AccruedBonusesAndDeferredCompensationLiabilityCurrentAndNoncurrent	30057000	USD
CY2016Q4	erie	Accumulated Depreciation Depletionand Amortization Property Plantand Equipmentand Finite Lived Intangible Assets AccumulatedDepreciationDepletionandAmortizationPropertyPlantandEquipmentandFiniteLivedIntangibleAssets	103158000	USD
CY2017Q4	erie	Accumulated Depreciation Depletionand Amortization Property Plantand Equipmentand Finite Lived Intangible Assets AccumulatedDepreciationDepletionandAmortizationPropertyPlantandEquipmentandFiniteLivedIntangibleAssets	117474000	USD
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CY2015	erie	Deferred Compensation Under Rabbi Trust Plans DeferredCompensationUnderRabbiTrustPlans	0	USD
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CY2017	erie	Deferred Compensation Under Rabbi Trust Plans DeferredCompensationUnderRabbiTrustPlans	0	USD
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CY2015	erie	Increase Decrease In Accrued Agent Bonuses IncreaseDecreaseInAccruedAgentBonuses	18524000	USD
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CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	91747000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	182889000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	189072000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	215721000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	91142000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	6183000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	26649000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	195515000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	185849000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	188704000	USD
CY2015	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	29997000	USD
CY2016	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	29200000	USD
CY2017	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	29149000	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	106155000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	109727000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	81689000	USD
CY2016Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	13233000	USD
CY2017Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	14452000	USD
CY2016Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	19675000	USD
CY2017Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	15605000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-14584000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	26912000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Gross Noncurrent DeferredTaxAssetsGrossNoncurrent	89223000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross Noncurrent DeferredTaxAssetsGrossNoncurrent	40686000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	53889000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	19390000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	81000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	812000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	19106000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	14092000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Gross Noncurrent DeferredTaxLiabilitiesGrossNoncurrent	35334000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Gross Noncurrent DeferredTaxLiabilitiesGrossNoncurrent	21296000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	1657000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	856000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1467000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	159000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	8120000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	5568000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	18493000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	10204000	USD
CY2016Q4	us-gaap	Defined Benefit Pension Plan Liabilities Current DefinedBenefitPensionPlanLiabilitiesCurrent	2288000	USD
CY2017Q4	us-gaap	Defined Benefit Pension Plan Liabilities Current DefinedBenefitPensionPlanLiabilitiesCurrent	236000	USD
CY2016Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	221827000	USD
CY2017Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	207530000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	657969000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	767527000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	191301000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	201465000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-185278000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-191264000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	6023000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	10201000	USD
CY2016	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	38028000	USD
CY2017	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	108618000	USD
CY2016	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-43032000	USD
CY2017	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-82940000	USD
CY2015	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-14031000	USD
CY2016	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-8111000	USD
CY2017	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-9301000	USD
CY2015	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	670000	USD
CY2016	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	696000	USD
CY2017	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	871000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	-224115000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	-207766000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	724580000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	816659000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	951666000	USD
CY2016	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	14393000	USD
CY2017	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	16184000	USD
CY2017	us-gaap	Defined Benefit Plan Benefit Obligation Period Increase Decrease DefinedBenefitPlanBenefitObligationPeriodIncreaseDecrease	135000000	USD
CY2016	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	17418000	USD
CY2017	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	61102000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Expected Amortization Of Gain Loss Next Fiscal Year DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear	-12800000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Expected Amortization Of Prior Service Cost Credit Next Fiscal Year DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear	1100000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	210951000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	20739000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	31650000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	28687000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	25665000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	23050000	USD
CY2015	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	35921000	USD
CY2016	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	39520000	USD
CY2017	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	41267000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	551491000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	592544000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	743900000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-224115000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-207766000	USD
CY2015	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	30755000	USD
CY2016	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	33125000	USD
CY2017	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	34275000	USD
CY2015	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	39968000	USD
CY2016	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	30613000	USD
CY2017	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	34588000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	657969000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	767527000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	592544000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	743900000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	816659000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	951666000	USD
CY2016	us-gaap	Defined Benefit Plan Plan Amendments DefinedBenefitPlanPlanAmendments	2114000	USD
CY2017	us-gaap	Defined Benefit Plan Plan Amendments DefinedBenefitPlanPlanAmendments	5050000	USD
CY2016	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	14393000	USD
CY2017	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	16184000	USD
CY2017	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-302000	USD
CY2015	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	30433000	USD
CY2016	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	28201000	USD
CY2017	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	31106000	USD
CY2017	us-gaap	Defined Benefit Plan Settlements Benefit Obligation DefinedBenefitPlanSettlementsBenefitObligation	2180000	USD
CY2017	us-gaap	Defined Benefit Plan Settlements Plan Assets DefinedBenefitPlanSettlementsPlanAssets	2180000	USD
CY2015	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	11600000	USD
CY2016	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	12100000	USD
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	12800000	USD
CY2015	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	15900000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	15100000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	14800000	USD
CY2016Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	36441000	USD
CY2017Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	39116000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2015	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	14112000	USD
CY2016	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	17837000	USD
CY2017	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	5128000	USD
CY2016Q4	us-gaap	Equity Method Investments EquityMethodInvestments	58159000	USD
CY2017Q4	us-gaap	Equity Method Investments EquityMethodInvestments	45122000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	266249000	USD
CY2016Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	70224000	USD
CY2016Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	93163000	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	86581000	USD
CY2016Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	70123000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	320091000	USD
CY2017Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	72954000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	89235000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	88865000	USD
CY2017Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	64641000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	315695000	USD
CY2015	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	16983000	USD
CY2016	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	7025000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2801000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	91571000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	109725000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	118696000	USD
CY2017	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	10095000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	10095000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	93187000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	112032000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	110493000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	669000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-37000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	386000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	2285000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	2270000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	2278000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	106347000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	104607000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	106250000	USD
CY2016Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	5260000	USD
CY2017	us-gaap	Increase Decrease In Accrued Investment Income Receivable IncreaseDecreaseInAccruedInvestmentIncomeReceivable	516000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	11144000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	17183000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	12835000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	30485000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	39788000	USD
CY2015	us-gaap	Increase Decrease In Accrued Investment Income Receivable IncreaseDecreaseInAccruedInvestmentIncomeReceivable	-47000	USD
CY2016	us-gaap	Increase Decrease In Accrued Investment Income Receivable IncreaseDecreaseInAccruedInvestmentIncomeReceivable	846000	USD
CY2017Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	29900000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	3633000	USD
CY2015	us-gaap	Increase Decrease In Due From Related Parties Current IncreaseDecreaseInDueFromRelatedPartiesCurrent	-7775000	USD
CY2016	us-gaap	Increase Decrease In Due From Related Parties Current IncreaseDecreaseInDueFromRelatedPartiesCurrent	-247000	USD
CY2017	us-gaap	Increase Decrease In Due From Related Parties Current IncreaseDecreaseInDueFromRelatedPartiesCurrent	4720000	USD
CY2015	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	499000	USD
CY2016	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-6687000	USD
CY2015	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	-1526000	USD
CY2016	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	-4561000	USD
CY2017	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	-2681000	USD
CY2017	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	24640000	USD
CY2015	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	20307000	USD
CY2016	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	10524000	USD
CY2017	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	-27265000	USD
CY2015	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-1193000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	4674000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	7636000	USD
CY2015	us-gaap	Increase Decrease In Reserve For Commissions Expense And Taxes IncreaseDecreaseInReserveForCommissionsExpenseAndTaxes	-5624000	USD
CY2016	us-gaap	Increase Decrease In Reserve For Commissions Expense And Taxes IncreaseDecreaseInReserveForCommissionsExpenseAndTaxes	-15017000	USD
CY2017	us-gaap	Increase Decrease In Reserve For Commissions Expense And Taxes IncreaseDecreaseInReserveForCommissionsExpenseAndTaxes	-17565000	USD
CY2015	us-gaap	Insurance Agency Management Fee InsuranceAgencyManagementFee	1475511000	USD
CY2016	us-gaap	Insurance Agency Management Fee InsuranceAgencyManagementFee	1567431000	USD
CY2017	us-gaap	Insurance Agency Management Fee InsuranceAgencyManagementFee	1662625000	USD
CY2015	us-gaap	Insurance Commissions InsuranceCommissions	847880000	USD
CY2016	us-gaap	Insurance Commissions InsuranceCommissions	893800000	USD
CY2017	us-gaap	Insurance Commissions InsuranceCommissions	947481000	USD
CY2015	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	18676000	USD
CY2016	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	21737000	USD
CY2017	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	26155000	USD
CY2016Q4	us-gaap	Interest Expense InterestExpense	101000	USD
CY2016	us-gaap	Interest Expense InterestExpense	101000	USD
CY2017Q1	us-gaap	Interest Expense InterestExpense	166000	USD
CY2017Q2	us-gaap	Interest Expense InterestExpense	257000	USD
CY2017Q3	us-gaap	Interest Expense InterestExpense	377000	USD
CY2017Q4	us-gaap	Interest Expense InterestExpense	438000	USD
CY2017	us-gaap	Interest Expense InterestExpense	1238000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	1038000	USD
CY2015	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	885000	USD
CY2016	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	1190000	USD
CY2017	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	1547000	USD
CY2015	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	33708000	USD
CY2016Q1	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	2559000	USD
CY2016Q2	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	7404000	USD
CY2016Q3	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	4326000	USD
CY2016Q4	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	13539000	USD
CY2016	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	27828000	USD
CY2017Q1	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	6586000	USD
CY2016Q4	us-gaap	Notes Receivable Related Parties Noncurrent NotesReceivableRelatedPartiesNoncurrent	25000000	USD
CY2017Q4	us-gaap	Notes Receivable Related Parties Noncurrent NotesReceivableRelatedPartiesNoncurrent	0	USD
CY2017	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	13100000	USD
CY2015	us-gaap	Operating Expenses OperatingExpenses	1272967000	USD
CY2016Q1	us-gaap	Operating Expenses OperatingExpenses	307063000	USD
CY2016Q2	us-gaap	Operating Expenses OperatingExpenses	338125000	USD
CY2016Q3	us-gaap	Operating Expenses OperatingExpenses	336151000	USD
CY2017Q2	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	6448000	USD
CY2017Q3	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	8406000	USD
CY2017Q4	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	7121000	USD
CY2017	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	28561000	USD
CY2015	us-gaap	Labor And Related Expense LaborAndRelatedExpense	226713000	USD
CY2016	us-gaap	Labor And Related Expense LaborAndRelatedExpense	213356000	USD
CY2017	us-gaap	Labor And Related Expense LaborAndRelatedExpense	240181000	USD
CY2015	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	12200000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	14300000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	6300000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	732045000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	808515000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1548955000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1665859000	USD
CY2016Q4	us-gaap	Liabilities Current LiabilitiesCurrent	469600000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	509906000	USD
CY2017Q4	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	2300000	USD
CY2016Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	24766000	USD
CY2017Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	74728000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-126858000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-111209000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-95814000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	622000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-136944000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-74663000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	217378000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	254336000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	197126000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	174678000	USD
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	45895000	USD
CY2016Q2	us-gaap	Net Income Loss NetIncomeLoss	61309000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	57376000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	45786000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	210366000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	47876000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	58527000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	58543000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	32053000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	196999000	USD
CY2015	us-gaap	Net Investment Income NetInvestmentIncome	17791000	USD
CY2016	us-gaap	Net Investment Income NetInvestmentIncome	20547000	USD
CY2017	us-gaap	Net Investment Income NetInvestmentIncome	24608000	USD
CY2016Q4	us-gaap	Notes Receivable Related Parties Current NotesReceivableRelatedPartiesCurrent	0	USD
CY2017Q4	us-gaap	Notes Receivable Related Parties Current NotesReceivableRelatedPartiesCurrent	25000000	USD
CY2016Q4	us-gaap	Operating Expenses OperatingExpenses	322928000	USD
CY2016	us-gaap	Operating Expenses OperatingExpenses	1304267000	USD
CY2017Q1	us-gaap	Operating Expenses OperatingExpenses	332782000	USD
CY2017Q2	us-gaap	Operating Expenses OperatingExpenses	365520000	USD
CY2017Q3	us-gaap	Operating Expenses OperatingExpenses	361656000	USD
CY2017Q4	us-gaap	Operating Expenses OperatingExpenses	343444000	USD
CY2017	us-gaap	Operating Expenses OperatingExpenses	1403402000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	232541000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	292364000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	288372000	USD
CY2016Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	20096000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	28793000	USD
CY2017Q4	us-gaap	Other Commitment OtherCommitment	16300000	USD
CY2017	us-gaap	Other Commitments Description OtherCommitmentsDescription	Contractual commitments to invest in limited partnership investments, consisting of private equity securities, mezzanine debt securities, and real estate activities.
CY2015	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-4280000	USD
CY2016	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	43000	USD
CY2017	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-190000	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-10300000	USD
CY2015	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-25117000	USD
CY2016	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	24560000	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	8105000	USD
CY2016	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	696000	USD
CY2017	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	871000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	302000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	20837000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-24517000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8295000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	37831000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	10164000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-44524000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-15588000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-8111000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-9301000	USD
CY2015	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	198374000	USD
CY2016	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	197111000	USD
CY2017	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	215740000	USD
CY2016Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1863000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1476000	USD
CY2016Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	756000	USD
CY2017Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	423000	USD
CY2015	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	0	USD
CY2016	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	0	USD
CY2017	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	0	USD
CY2015	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities	1558000	USD
CY2016	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities	416000	USD
CY2017	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities	182000	USD
CY2015	us-gaap	Payments For Commissions PaymentsForCommissions	725714000	USD
CY2016	us-gaap	Payments For Commissions PaymentsForCommissions	756713000	USD
CY2017	us-gaap	Payments For Commissions PaymentsForCommissions	800627000	USD
CY2015	us-gaap	Payments For Other Operating Activities PaymentsForOtherOperatingActivities	190301000	USD
CY2016	us-gaap	Payments For Other Operating Activities PaymentsForOtherOperatingActivities	176029000	USD
CY2017	us-gaap	Payments For Other Operating Activities PaymentsForOtherOperatingActivities	199084000	USD
CY2015	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	-688000	USD
CY2016	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	-1586000	USD
CY2017	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	4210000	USD
CY2015	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	12556000	USD
CY2016	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	25208000	USD
CY2017	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	28927000	USD
CY2015	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	126858000	USD
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	135985000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	145765000	USD
CY2015	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	228308000	USD
CY2016	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	369811000	USD
CY2017	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	391181000	USD
CY2015	us-gaap	Payments To Acquire Limited Partnership Interests PaymentsToAcquireLimitedPartnershipInterests	928000	USD
CY2016	us-gaap	Payments To Acquire Limited Partnership Interests PaymentsToAcquireLimitedPartnershipInterests	578000	USD
CY2017	us-gaap	Payments To Acquire Limited Partnership Interests PaymentsToAcquireLimitedPartnershipInterests	410000	USD
CY2015	us-gaap	Payments To Employees PaymentsToEmployees	155303000	USD
CY2016	us-gaap	Payments To Employees PaymentsToEmployees	160985000	USD
CY2017	us-gaap	Payments To Employees PaymentsToEmployees	171547000	USD
CY2016Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	30169000	USD
CY2017Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	34890000	USD
CY2015	us-gaap	Proceeds From Fees Received ProceedsFromFeesReceived	29997000	USD
CY2016	us-gaap	Proceeds From Fees Received ProceedsFromFeesReceived	29200000	USD
CY2017	us-gaap	Proceeds From Fees Received ProceedsFromFeesReceived	29149000	USD
CY2015	us-gaap	Proceeds From Interest And Dividends Received ProceedsFromInterestAndDividendsReceived	25999000	USD
CY2016	us-gaap	Proceeds From Interest And Dividends Received ProceedsFromInterestAndDividendsReceived	26796000	USD
CY2017	us-gaap	Proceeds From Interest And Dividends Received ProceedsFromInterestAndDividendsReceived	31281000	USD
CY2015	us-gaap	Proceeds From Limited Partnership Investments ProceedsFromLimitedPartnershipInvestments	26735000	USD
CY2016	us-gaap	Proceeds From Limited Partnership Investments ProceedsFromLimitedPartnershipInvestments	16113000	USD
CY2017	us-gaap	Proceeds From Limited Partnership Investments ProceedsFromLimitedPartnershipInvestments	10768000	USD
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	112705000	USD
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	146285000	USD
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	194980000	USD
CY2016	us-gaap	Proceeds From Repayments Of Secured Debt ProceedsFromRepaymentsOfSecuredDebt	24776000	USD
CY2017	us-gaap	Proceeds From Repayments Of Secured Debt ProceedsFromRepaymentsOfSecuredDebt	49951000	USD
CY2015	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	102286000	USD
CY2016	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	89498000	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	144317000	USD
CY2016	us-gaap	Proceeds From Sale Of Trading Securities Heldforinvestment ProceedsFromSaleOfTradingSecuritiesHeldforinvestment	5171000	USD
CY2015	us-gaap	Realized Gain Loss On Marketable Securities And Cost Method Investments Excluding Other Than Temporary Impairments And Other Investments RealizedGainLossOnMarketableSecuritiesAndCostMethodInvestmentsExcludingOtherThanTemporaryImpairmentsAndOtherInvestments	492000	USD
CY2016	us-gaap	Realized Gain Loss On Marketable Securities And Cost Method Investments Excluding Other Than Temporary Impairments And Other Investments RealizedGainLossOnMarketableSecuritiesAndCostMethodInvestmentsExcludingOtherThanTemporaryImpairmentsAndOtherInvestments	672000	USD
CY2017	us-gaap	Realized Gain Loss On Marketable Securities And Cost Method Investments Excluding Other Than Temporary Impairments And Other Investments RealizedGainLossOnMarketableSecuritiesAndCostMethodInvestmentsExcludingOtherThanTemporaryImpairmentsAndOtherInvestments	1334000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2065911000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2140853000	USD
CY2015	us-gaap	Revenues Revenues	1505508000	USD
CY2016Q1	us-gaap	Revenues Revenues	374728000	USD
CY2016Q2	us-gaap	Revenues Revenues	423884000	USD
CY2016Q3	us-gaap	Revenues Revenues	418406000	USD
CY2016Q4	us-gaap	Revenues Revenues	379613000	USD
CY2016	us-gaap	Revenues Revenues	1596631000	USD
CY2017Q1	us-gaap	Revenues Revenues	399316000	USD
CY2017Q2	us-gaap	Revenues Revenues	448564000	USD
CY2017Q3	us-gaap	Revenues Revenues	442492000	USD
CY2017Q4	us-gaap	Revenues Revenues	401402000	USD
CY2017	us-gaap	Revenues Revenues	1691774000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	703134000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	769503000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	816910000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	857344000	USD
CY2016Q4	us-gaap	Stockholders Equity Before Treasury Stock StockholdersEquityBeforeTreasuryStock	1963000000	USD
CY2017Q4	us-gaap	Stockholders Equity Before Treasury Stock StockholdersEquityBeforeTreasuryStock	2003434000	USD
CY2016Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	22110132	shares
CY2017Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	22110132	shares
CY2016Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	1155846000	USD
CY2017Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	1155668000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	100000	USD
CY2017	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Note 1.  Nature of Operations</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Erie Indemnity Company ("Indemnity", "we", "us", "our") is a publicly held Pennsylvania business corporation that has since its incorporation in 1925 served as the attorney-in-fact for the subscribers (policyholders) at the Erie Insurance Exchange ("Exchange").  The Exchange, which also commenced business in 1925, is a Pennsylvania-domiciled reciprocal insurer that writes property and casualty insurance. We function solely as the management company and all insurance operations are the responsibility of the Exchange.</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Our primary function, as attorney-in-fact, is to perform certain services on behalf of the subscribers at the Exchange relating to policy issuance and renewals including the sales, underwriting, and issuance of policies.  This is done in accordance with a subscriber's agreement (a limited power of attorney) executed individually by each subscriber (policyholder), which appoints us as their common attorney-in-fact to transact certain business on their behalf and to manage the affairs of the Exchange.  Pursuant to the subscriber's agreement and for its services as attorney-in-fact, we earn a management fee calculated as a percentage of the direct and assumed premiums written by the Exchange.</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The services we provide to the subscribers at the Exchange are related to the sales, underwriting and issuance of policies. The sales related services we provide include agent compensation and certain sales and advertising support services. Agent compensation includes scheduled commissions to agents based upon premiums written as well as additional commissions and bonuses to agents, which are earned by achieving targeted measures. Agent compensation comprised approximately </font><font style="font-family:inherit;font-size:10pt;">68%</font><font style="font-family:inherit;font-size:10pt;"> of our </font><font style="font-family:inherit;font-size:10pt;">2017</font><font style="font-family:inherit;font-size:10pt;"> expenses. The underwriting services we provide include underwriting and policy processing and comprised approximately </font><font style="font-family:inherit;font-size:10pt;">10%</font><font style="font-family:inherit;font-size:10pt;"> of our </font><font style="font-family:inherit;font-size:10pt;">2017</font><font style="font-family:inherit;font-size:10pt;"> expenses. The remaining services we provide include customer service and administrative support. We also provide information technology services that support all the functions listed above that comprised approximately </font><font style="font-family:inherit;font-size:10pt;">10%</font><font style="font-family:inherit;font-size:10pt;"> of our </font><font style="font-family:inherit;font-size:10pt;">2017</font><font style="font-family:inherit;font-size:10pt;"> expenses. </font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">By virtue of its legal structure as a reciprocal insurer, the Exchange does not have the ability to enter into contractual relationships and therefore, Indemnity also serves as the attorney-in-fact on behalf of the Exchange for all claims handling and investment management services, which include certain common overhead and service department functions in accordance with the subscriber's agreement. The Exchange's insurance subsidiaries also utilize Indemnity for these services, including life management services for EFL, in accordance with the service agreements between each of the subsidiaries and Indemnity. Claims handling services include costs incurred in the claims process, including the adjustment, investigation, defense, recording and payment functions, as well as an allocation of costs for departments that support these claims functions. Life management services include costs incurred in the management and processing of life insurance business. Investment management services are related to investment trading activity, accounting and all other functions attributable to the investment of funds, including an allocation of costs for departments that support the investment function. The amounts incurred for these services are the responsibility of the Exchange and its insurance subsidiaries as outlined in the subscriber's agreement and the services agreements, and are reimbursed to Indemnity as cost. State insurance regulations require that intercompany service agreements and any material amendments be approved in advance by the state insurance department. See Note 13, "Related Party" contained within this report. </font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Our results of operations are tied to the growth and financial condition of the Exchange. If any events occurred that impaired the Exchange's ability to grow or sustain its financial condition, including but not limited to reduced financial strength ratings, disruption in the independent agency relationships, significant catastrophe losses, or products not meeting customer demands, the Exchange could find it more difficult to retain its existing business and attract new business. A decline in the business of the Exchange almost certainly would have as a consequence a decline in the total premiums paid and a correspondingly adverse effect on the amount of the management fees we receive. We also have an exposure to a concentration of credit risk related to the unsecured receivables due from the Exchange and its subsidiaries. See Note 14, "Concentrations of Credit Risk" contained within this report.</font></div></div>
CY2017	us-gaap	Revenue Recognition Services Management Fees RevenueRecognitionServicesManagementFees	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;text-decoration:underline;">Recognition of management fee revenue</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">We earn management fees from the Exchange for providing policy issuance and renewal services including certain sales, underwriting, and policy issuance services.  Pursuant to the subscriber's agreements with the subscribers (policyholders) at the Exchange, we may retain up to </font><font style="font-family:inherit;font-size:10pt;">25%</font><font style="font-family:inherit;font-size:10pt;"> of all direct and assumed premiums written by the Exchange.  Management fee revenue is calculated by multiplying the management fee rate by the direct and assumed premiums written by the Exchange. The Exchange issues policies with annual terms only.  Management fees are recorded as revenue upon policy issuance or renewal, as substantially all of the services required to be performed by us have been satisfied at that time.  Certain activities are performed and related costs are incurred by us subsequent to policy issuance in connection with the services provided to the Exchange; however, these activities are inconsequential and perfunctory.</font></div></div>
CY2017	us-gaap	Revenue Recognition Services Refundable Fees For Services RevenueRecognitionServicesRefundableFeesForServices	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;text-decoration:underline;">Recognition of service agreement revenue</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Service agreement revenue consists of service charges we collect from policyholders for providing multiple payment plans on policies written by the Exchange.  Service charges, which are flat dollar charges for each installment billed beyond the first installment, are recognized as revenue when bills are rendered to the policyholder.</font><font style="font-family:inherit;font-size:10pt;font-weight:bold;"> </font><font style="font-family:inherit;font-size:10pt;"> Service agreement revenue also includes late payment and policy reinstatement fees, which are also recognized as revenue when bills are rendered to the policyholder.</font></div></div>
CY2017	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;text-decoration:underline;">Use of estimates</font><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</font></div></div>

Files In Submission

Name	View Source	Status
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0000922621-18-000016-index.html	Edgar Link	pending
0000922621-18-000016.txt	Edgar Link	pending
0000922621-18-000016-xbrl.zip	Edgar Link	pending
erie-20171231.xml	Edgar Link	completed
erie-20171231.xsd	Edgar Link	pending
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erie-20171231_def.xml	Edgar Link	unprocessable
erie-20171231_lab.xml	Edgar Link	unprocessable
erie-20171231_pre.xml	Edgar Link	unprocessable
erie10-k12312017.htm	Edgar Link	pending
erie10-k12_chartx32104a02.jpg	Edgar Link	pending
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$ERIE
ERIE INDEMNITY CO Stock $erie

2017 Q4 Form 10-K Financial Statement

#000092262118000016 Filed on February 22, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ERIE ERIE INDEMNITY CO Stock $erie

2017 Q4 Form 10-K Financial Statement

#000092262118000016 Filed on February 22, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ERIE
ERIE INDEMNITY CO Stock $erie