$SIGI
Selective Insurance Group Inc Stock $sigi

$sigi Overview Financials Valuation SEC Filings Company Website

2018 Q2 Form 10-Q Financial Statement

#000023055718000024 Filed on May 03, 2018

Income Statement

Concept	2018 Q2	2018 Q1	2017 Q4
Revenue	$651.9M	$626.7M	$633.7M
YoY Change	6.09%	4.37%	8.82%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin	$3.300M	$11.30M	$36.30M
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$122.7M	$121.1M	$13.90M
YoY Change	5.22%	4.98%	-13.66%
% of Gross Profit
Operating Expenses	$573.3M	$600.6M	$559.5M
YoY Change	4.33%	14.01%	6.33%
Operating Profit
YoY Change
Interest Expense	-$6.100M	-$6.200M	-$6.100M
YoY Change	0.0%	1.64%	5.17%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$72.53M	$19.93M	$68.15M
YoY Change	23.07%	-70.5%	35.42%
Income Tax	$13.71M	$1.006M	$17.70M
% Of Pretax Income	18.9%	5.05%	25.97%
Net Earnings	$58.82M	$18.93M	$30.24M
YoY Change	41.99%	-62.48%	-23.17%
Net Earnings / Revenue	9.02%	3.02%	4.77%
Basic Earnings Per Share	$1.00	$0.32	$0.52
Diluted Earnings Per Share	$0.99	$0.32	$0.51
COMMON SHARES
Basic Shares Outstanding	58.75M shares	58.72M shares	58.39M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2018 Q2	2018 Q1	2017 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$16.48M	$16.93M	$44.71M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$62.73M	$62.05M	$63.96M
YoY Change	-5.32%	-9.42%	-8.07%
Goodwill	$7.849M	$7.849M	$7.849M
YoY Change	0.0%	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$5.666B	$5.679B	$5.685B
YoY Change	2.95%	3.99%	5.97%
Other Assets	$63.20M	$64.50M	$32.00M
YoY Change	4.64%	-10.66%	-62.26%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$7.706B	$7.660B	$7.686B
YoY Change	2.36%	3.46%	4.49%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$85.40M	$90.50M	$131.9M
YoY Change	-17.25%	-6.02%	-0.75%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$55.00M	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$90.50M	$145.5M	$131.9M
YoY Change	-14.06%	34.85%	-0.75%
LONG-TERM LIABILITIES
Long-Term Debt	$439.3M	$439.2M	$439.1M
YoY Change	0.09%	0.09%	0.09%
Other Long-Term Liabilities	$236.5M	$243.1M	$281.6M
YoY Change	-4.71%	-14.88%	-5.63%
Total Long-Term Liabilities	$675.8M	$682.3M	$720.7M
YoY Change	-1.64%	-5.81%	-2.22%
TOTAL LIABILITIES
Total Short-Term Liabilities	$90.50M	$145.5M	$131.9M
Total Long-Term Liabilities	$675.8M	$682.3M	$720.7M
Total Liabilities	$6.008B	$6.000B	$5.973B
YoY Change	2.24%	3.25%	2.56%
SHAREHOLDERS EQUITY
Retained Earnings	$1.780B	$1.732B	$1.699B
YoY Change	8.41%	7.58%	8.27%
Common Stock	$587.1M	$580.4M	$572.3M
YoY Change	4.04%	3.97%	3.95%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$584.4M	$584.2M	$578.1M
YoY Change	1.09%	1.14%	1.05%
Treasury Stock Shares	43.89M shares	43.89M shares	43.79M shares
Shareholders Equity	$1.698B	$1.660B	$1.713B
YoY Change
Total Liabilities & Shareholders Equity	$7.706B	$7.660B	$7.686B
YoY Change	2.36%	3.46%	4.49%

Cashflow Statement

Concept	2018 Q2	2018 Q1	2017 Q4
OPERATING ACTIVITIES
Net Income	$58.82M	$18.93M	$30.24M
YoY Change	41.99%	-62.48%	-23.17%
Depreciation, Depletion And Amortization	$122.7M	$121.1M	$13.90M
YoY Change	5.22%	4.98%	-13.66%
Cash From Operating Activities	$100.0M	-$7.700M	$89.20M
YoY Change	40.85%	-131.43%	-41.32%
INVESTING ACTIVITIES
Capital Expenditures	-$4.600M	-$2.100M	-$2.300M
YoY Change	119.05%	-57.14%	-51.06%
Acquisitions
YoY Change
Other Investing Activities	-$32.40M	-$57.30M	-$52.80M
YoY Change	-45.08%	104.64%	-59.69%
Cash From Investing Activities	-$36.90M	-$59.50M	-$55.10M
YoY Change	-39.61%	80.85%	-59.4%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$6.116M
YoY Change		9.76%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-63.50M	39.40M	-8.200M
YoY Change	693.75%	-379.43%	-205.13%
NET CHANGE
Cash From Operating Activities	100.0M	-7.700M	89.20M
Cash From Investing Activities	-36.90M	-59.50M	-55.10M
Cash From Financing Activities	-63.50M	39.40M	-8.200M
Net Change In Cash	-400.0K	-27.80M	25.90M
YoY Change	-121.05%	23.56%	7.47%
FREE CASH FLOW
Cash From Operating Activities	$100.0M	-$7.700M	$89.20M
Capital Expenditures	-$4.600M	-$2.100M	-$2.300M
Free Cash Flow	$104.6M	-$5.600M	$91.50M
YoY Change	43.09%	-119.05%	-41.61%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018Q1	dei	Amendment Flag AmendmentFlag	false
CY2018Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2018Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2018Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2018Q1	dei	Document Period End Date DocumentPeriodEndDate	2018-03-31
CY2018Q1	dei	Document Type DocumentType	10-Q
CY2018Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000230557
CY2018Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	58747505	shares
CY2018Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2018Q1	dei	Entity Registrant Name EntityRegistrantName	SELECTIVE INSURANCE GROUP INC
CY2017Q1	sigi	Amortization Of Net Unrealized Gains Losses On Held To Maturity Transferred From Available For Sale Before Tax AmortizationOfNetUnrealizedGainsLossesOnHeldToMaturityTransferredFromAvailableForSaleBeforeTax	49000	USD
CY2018Q1	sigi	Amortization Of Net Unrealized Gains Losses On Held To Maturity Transferred From Available For Sale Before Tax AmortizationOfNetUnrealizedGainsLossesOnHeldToMaturityTransferredFromAvailableForSaleBeforeTax	12000	USD
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CY2018Q1	sigi	Amortization Of Net Unrealized Gains Losses On Held To Maturity Transferred From Available For Sale Netof Tax AmortizationOfNetUnrealizedGainsLossesOnHeldToMaturityTransferredFromAvailableForSaleNetofTax	10000	USD
CY2017Q1	sigi	Amortization Of Net Unrealized Gains Losses On Held To Maturity Transferred From Available For Sale Tax AmortizationOfNetUnrealizedGainsLossesOnHeldToMaturityTransferredFromAvailableForSaleTax	17000	USD
CY2018Q1	sigi	Amortization Of Net Unrealized Gains Losses On Held To Maturity Transferred From Available For Sale Tax AmortizationOfNetUnrealizedGainsLossesOnHeldToMaturityTransferredFromAvailableForSaleTax	2000	USD
CY2017Q1	sigi	Comprehensive Income Loss Before Tax ComprehensiveIncomeLossBeforeTax	95327000	USD
CY2018Q1	sigi	Comprehensive Income Loss Before Tax ComprehensiveIncomeLossBeforeTax	-60315000	USD
CY2017Q1	sigi	Comprehensive Income Loss Tax ComprehensiveIncomeLossTax	26847000	USD
CY2018Q1	sigi	Comprehensive Income Loss Tax ComprehensiveIncomeLossTax	-15846000	USD
CY2018Q1	sigi	Equity Securities EquitySecurities	168842000	USD
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CY2017Q1	sigi	Held To Maturity Securities Disposal Security Realized Loss HeldToMaturitySecuritiesDisposalSecurityRealizedLoss	1000	USD
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CY2018Q1	sigi	Increase Decreasein Catastrophe Losses IncreaseDecreaseinCatastropheLosses	13800000	USD
CY2018Q1	sigi	Increase Decreasein Pledged Collateral IncreaseDecreaseinPledgedCollateral	82300000	USD
CY2018Q1	sigi	Increasedecreaseinnoncatastrophepropertylosses Increasedecreaseinnoncatastrophepropertylosses	34300000	USD
CY2017Q4	sigi	Maximumexposuretocreditconcentrationriskofthe Companysstockholdersequityotherthancertain U.S.Governmentagencies MaximumexposuretocreditconcentrationriskoftheCompanysstockholdersequityotherthancertainU.S.governmentagencies	0.10
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CY2018Q1	us-gaap	Common Stock Value CommonStockValue	205280000	USD
CY2017Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	68480000	USD
CY2018Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-44469000	USD
CY2017Q1	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	14273000	USD
CY2018Q1	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	433000	USD
CY2017Q1	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2861000	USD
CY2018Q1	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	573000	USD
CY2017Q1	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	115350000	USD
CY2018Q1	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	121093000	USD
CY2017Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	235055000	USD
CY2018Q1	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	239292000	USD
CY2017Q1	us-gaap	Deferred Policy Acquisition Costs Period Increase Decrease DeferredPolicyAcquisitionCostsPeriodIncreaseDecrease	5058000	USD
CY2018Q1	us-gaap	Deferred Policy Acquisition Costs Period Increase Decrease DeferredPolicyAcquisitionCostsPeriodIncreaseDecrease	4237000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	31990000	USD
CY2018Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	48241000	USD
CY2017Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	12882000	USD
CY2018Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	11200000	USD
CY2017Q1	us-gaap	Direct Premiums Earned DirectPremiumsEarned	646728000	USD
CY2018Q1	us-gaap	Direct Premiums Earned DirectPremiumsEarned	683733000	USD
CY2017Q1	us-gaap	Direct Premiums Written DirectPremiumsWritten	683820000	USD
CY2018Q1	us-gaap	Direct Premiums Written DirectPremiumsWritten	714234000	USD
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.87
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.32
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.85
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.32
CY2017Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2018Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2017Q1	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-2949000	USD
CY2018Q1	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-2466000	USD
CY2017Q1	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	465000	USD
CY2018Q1	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	1346000	USD
CY2017Q1	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-998000	USD
CY2018Q1	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-29000	USD
CY2017Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	-1045000	USD
CY2018Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	-10549000	USD
CY2017Q1	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	2430000	USD
CY2018Q1	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	4731000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	7849000	USD
CY2018Q1	us-gaap	Goodwill Goodwill	7849000	USD
CY2017Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	42129000	USD
CY2018Q1	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	41587000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	2026000	USD
CY2018Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	1676000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	55000	USD
CY2018Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	0	USD
CY2017Q4	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	42150000	USD
CY2018Q1	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	41620000	USD
CY2018Q1	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	3058000	USD
CY2018Q1	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	2989000	USD
CY2018Q1	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	29226000	USD
CY2018Q1	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	27710000	USD
CY2018Q1	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	0	USD
CY2018Q1	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	0	USD
CY2018Q1	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	10979000	USD
CY2018Q1	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	10888000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	44100000	USD
CY2018Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	43263000	USD
CY2017Q1	us-gaap	Impairment Of Investments ImpairmentOfInvestments	3475000	USD
CY2017Q1	us-gaap	Impairment Of Investments ImpairmentOfInvestments	3500000	USD
CY2018Q1	us-gaap	Impairment Of Investments ImpairmentOfInvestments	1200000	USD
CY2018Q1	us-gaap	Impairment Of Investments ImpairmentOfInvestments	1212000	USD
CY2017Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	67574000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	19931000	USD
CY2017Q1	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	685000	USD
CY2018Q1	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	881000	USD
CY2017Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17134000	USD
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1006000	USD
CY2017Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	3243000	USD
CY2018Q1	us-gaap	Income Tax Receivable IncomeTaxReceivable	228000	USD
CY2017Q1	us-gaap	Income Tax Reconciliation Deductions Dividends IncomeTaxReconciliationDeductionsDividends	331000	USD
CY2018Q1	us-gaap	Income Tax Reconciliation Deductions Dividends IncomeTaxReconciliationDeductionsDividends	126000	USD
CY2017Q1	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	23651000	USD
CY2018Q1	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	4185000	USD
CY2017Q1	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-430000	USD
CY2018Q1	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	924000	USD
CY2017Q1	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-36558000	USD
CY2018Q1	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-41363000	USD
CY2017Q1	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	16946000	USD
CY2018Q1	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	3616000	USD
CY2017Q1	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	218000	USD
CY2018Q1	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	864000	USD
CY2017Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	6511000	USD
CY2018Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	9672000	USD
CY2017Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-55175000	USD
CY2018Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-70387000	USD
CY2017Q1	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	26066000	USD
CY2018Q1	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	19284000	USD
CY2017Q1	us-gaap	Incurred Claims Property Casualty And Liability IncurredClaimsPropertyCasualtyAndLiability	317472000	USD
CY2018Q1	us-gaap	Incurred Claims Property Casualty And Liability IncurredClaimsPropertyCasualtyAndLiability	384941000	USD
CY2017Q1	us-gaap	Interest Expense Debt InterestExpenseDebt	6106000	USD
CY2018Q1	us-gaap	Interest Expense Debt InterestExpenseDebt	6152000	USD
CY2017Q1	us-gaap	Interest Paid InterestPaid	3409000	USD
CY2018Q1	us-gaap	Interest Paid InterestPaid	3455000	USD
CY2017Q4	us-gaap	Investments Investments	5685179000	USD
CY2018Q1	us-gaap	Investments Investments	5678604000	USD
CY2017Q4	us-gaap	Investments Net Asset Value InvestmentsNetAssetValue	23700000	USD
CY2018Q1	us-gaap	Investments Net Asset Value InvestmentsNetAssetValue	25000000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	5973474000	USD
CY2018Q1	us-gaap	Liabilities Liabilities	6000153000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7686431000	USD
CY2018Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7659949000	USD
CY2016Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	3691719000	USD
CY2017Q1	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	3679471000	USD
CY2017Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	3771240000	USD
CY2018Q1	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	3792080000	USD
CY2017Q4	us-gaap	Liability For Claims And Claims Adjustment Expense Property Casualty Liability LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability	3771240000	USD
CY2018Q1	us-gaap	Liability For Claims And Claims Adjustment Expense Property Casualty Liability LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability	3792080000	USD
CY2017Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	54708000	USD
CY2018Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	79345000	USD
CY2017Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	235742000	USD
CY2018Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	248738000	USD
CY2017Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	317472000	USD
CY2018Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	384941000	USD
CY2016Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	3080519000	USD
CY2017Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	3107541000	USD
CY2017Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	3185385000	USD
CY2018Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	3242243000	USD
CY2018Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Period Increase Decrease LiabilityForUnpaidClaimsAndClaimsAdjustmentExpensePeriodIncreaseDecrease	57500000	USD
CY2017Q4	us-gaap	Long Term Debt LongTermDebt	439116000	USD
CY2018Q1	us-gaap	Long Term Debt LongTermDebt	439224000	USD
CY2018Q1	us-gaap	Loss From Catastrophes LossFromCatastrophes	26040000	USD
CY2017Q1	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	1964000	USD
CY2018Q1	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	-3335000	USD
CY2017Q1	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-14111000	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	39382000	USD
CY2017Q1	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-32904000	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-59455000	USD
CY2017Q1	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	24531000	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	-7705000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	50440000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	18925000	USD
CY2017Q1	us-gaap	Net Investment Income NetInvestmentIncome	37419000	USD
CY2018Q1	us-gaap	Net Investment Income NetInvestmentIncome	43231000	USD
CY2018Q1	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	4
CY2017Q1	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	11916000	USD
CY2018Q1	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	11332000	USD
CY2017Q4	us-gaap	Other Assets OtherAssets	78195000	USD
CY2018Q1	us-gaap	Other Assets OtherAssets	86171000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	0	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	27753000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-80246000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	18040000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-63394000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-507000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-532000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-330000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-420000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-177000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-112000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-1510000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-4549000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-981000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-3594000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-529000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-955000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-507000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-532000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-330000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-420000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-177000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-112000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	9713000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-16852000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	25785000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-85315000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	16761000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-67398000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	9024000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-17917000	USD
CY2017Q1	us-gaap	Other General Expense OtherGeneralExpense	11916000	USD
CY2018Q1	us-gaap	Other General Expense OtherGeneralExpense	11332000	USD
CY2017Q1	us-gaap	Other Income OtherIncome	3241000	USD
CY2018Q1	us-gaap	Other Income OtherIncome	2179000	USD
CY2017Q4	us-gaap	Other Investments OtherInvestments	132268000	USD
CY2018Q1	us-gaap	Other Investments OtherInvestments	143558000	USD
CY2017Q4	us-gaap	Other Liabilities OtherLiabilities	281624000	USD
CY2018Q1	us-gaap	Other Liabilities OtherLiabilities	243070000	USD
CY2017Q4	us-gaap	Other Short Term Investments OtherShortTermInvestments	165555000	USD
CY2018Q1	us-gaap	Other Short Term Investments OtherShortTermInvestments	182980000	USD
CY2017Q1	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	82051000	USD
CY2018Q1	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	83240000	USD
CY2017Q1	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	290450000	USD
CY2018Q1	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	328083000	USD
CY2017Q1	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	4937000	USD
CY2018Q1	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	2120000	USD
CY2017Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	5572000	USD
CY2018Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	6116000	USD
CY2017Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	8955000	USD
CY2018Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	10203000	USD
CY2017Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	724880000	USD
CY2018Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	875016000	USD
CY2017Q1	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	14083000	USD
CY2017Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	11211000	USD
CY2018Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	13471000	USD
CY2017Q1	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	1027885000	USD
CY2018Q1	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	754524000	USD
CY2017Q1	us-gaap	Policyholder Benefits And Claims Incurred Gross PolicyholderBenefitsAndClaimsIncurredGross	342122000	USD
CY2018Q1	us-gaap	Policyholder Benefits And Claims Incurred Gross PolicyholderBenefitsAndClaimsIncurredGross	420916000	USD
CY2017Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0
CY2017Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0
CY2018Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0
CY2017Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2017Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2018Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2017Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2018Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2018Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2017Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2018Q1	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2017Q1	us-gaap	Premiums Earned Net Property And Casualty PremiumsEarnedNetPropertyAndCasualty	560854000	USD
CY2018Q1	us-gaap	Premiums Earned Net Property And Casualty PremiumsEarnedNetPropertyAndCasualty	591828000	USD
CY2017Q4	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	10000000	USD
CY2018Q1	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	10000000	USD
CY2017Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	747029000	USD
CY2018Q1	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	766313000	USD
CY2017Q1	us-gaap	Premiums Written Net PremiumsWrittenNet	598704000	USD
CY2018Q1	us-gaap	Premiums Written Net PremiumsWrittenNet	624560000	USD
CY2017Q4	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	153493000	USD
CY2018Q1	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	151409000	USD
CY2017Q1	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	5983000	USD
CY2018Q1	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	6221000	USD
CY2017Q1	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	64000000	USD
CY2018Q1	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	130000000	USD
CY2017Q1	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	0	USD
CY2018Q1	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	-2807000	USD
CY2017Q1	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	1563000	USD
CY2018Q1	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	1435000	USD
CY2017Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	116357000	USD
CY2018Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	160514000	USD
CY2017Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	16527000	USD
CY2018Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	484000	USD
CY2017Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	594800000	USD
CY2018Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	675400000	USD
CY2017Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	594805000	USD
CY2018Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	675396000	USD
CY2017Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	5500000	USD
CY2017Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	5503000	USD
CY2017Q1	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	0	USD
CY2018Q1	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	3497000	USD
CY2017Q1	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	1010917000	USD
CY2018Q1	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	737097000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	63959000	USD
CY2018Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	62047000	USD
CY2017Q1	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-1045000	USD
CY2018Q1	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	3519000	USD
CY2017Q1	us-gaap	Reinsurance Effect On Claims And Benefits Incurred Amount Assumed ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed	4437000	USD
CY2018Q1	us-gaap	Reinsurance Effect On Claims And Benefits Incurred Amount Assumed ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed	8004000	USD
CY2017Q1	us-gaap	Reinsurance Effect On Claims And Benefits Incurred Amount Ceded ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded	29087000	USD
CY2018Q1	us-gaap	Reinsurance Effect On Claims And Benefits Incurred Amount Ceded ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded	43979000	USD
CY2016Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	611200000	USD
CY2017Q1	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	571930000	USD
CY2017Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	585855000	USD
CY2018Q1	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	549837000	USD
CY2017Q4	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	594832000	USD
CY2018Q1	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	560906000	USD
CY2017Q4	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	4600000	USD
CY2018Q1	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	4500000	USD
CY2017Q1	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	64000000	USD
CY2018Q1	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	75000000	USD
CY2017Q1	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	1147000	USD
CY2018Q1	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	734000	USD
CY2017Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	44176000	USD
CY2018Q1	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	16258000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1698613000	USD
CY2018Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1731832000	USD
CY2017Q1	us-gaap	Revenues Revenues	600469000	USD
CY2018Q1	us-gaap	Revenues Revenues	626689000	USD
CY2018Q1	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	249300000	USD
CY2017Q1	us-gaap	Share Based Compensation ShareBasedCompensation	5273000	USD
CY2018Q1	us-gaap	Share Based Compensation ShareBasedCompensation	5820000	USD
CY2017Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	0	USD
CY2018Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	55000000	USD
CY2017Q1	us-gaap	Stock Issued During Period Shares Dividend Reinvestment Plan StockIssuedDuringPeriodSharesDividendReinvestmentPlan	8249	shares
CY2018Q1	us-gaap	Stock Issued During Period Shares Dividend Reinvestment Plan StockIssuedDuringPeriodSharesDividendReinvestmentPlan	6298	shares
CY2017Q1	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	399762	shares
CY2018Q1	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	349255	shares
CY2017Q1	us-gaap	Stockholders Equity StockholdersEquity	1592579000	USD
CY2017Q4	us-gaap	Treasury Stock Value TreasuryStockValue	578112000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	1712957000	USD
CY2018Q1	us-gaap	Stockholders Equity StockholdersEquity	1659796000	USD
CY2017Q1	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	331331000	USD
CY2018Q1	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	388801000	USD
CY2017Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	43789442	shares
CY2018Q1	us-gaap	Treasury Stock Shares TreasuryStockShares	43892612	shares
CY2017Q1	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	127647	shares
CY2018Q1	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	103170	shares
CY2018Q1	us-gaap	Treasury Stock Value TreasuryStockValue	584228000	USD
CY2017Q4	us-gaap	Unearned Premiums UnearnedPremiums	1349644000	USD
CY2018Q1	us-gaap	Unearned Premiums UnearnedPremiums	1380292000	USD
CY2018Q1	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-5100000	USD
CY2018Q1	us-gaap	Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:4px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="8" rowspan="1"></td></tr><tr><td style="width:74%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:10%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:11%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="6" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Quarter ended March 31, </font></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">($ in thousands)</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">2018</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">2017</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Gross reserve for loss and loss expense, at beginning of year</font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#ccffcc;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">$</font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">3,771,240</font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">3,691,719</font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Less: reinsurance recoverable on unpaid loss and loss expense, at beginning of year</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">585,855</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">611,200</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Net reserve for loss and loss expense, at beginning of year</font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">3,185,385</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#ccffcc;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">3,080,519</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#ccffcc;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Incurred loss and loss expense for claims occurring in the:</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;"> </font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;"> </font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Current year</font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">388,801</font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">331,331</font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Prior years</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">(3,860</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">(13,859</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">)</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Total incurred loss and loss expense</font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">384,941</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#ccffcc;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">317,472</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#ccffcc;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Paid loss and loss expense for claims occurring in the:</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;"> </font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;"> </font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Current year</font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">79,345</font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">54,708</font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Prior years</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">248,738</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">235,742</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Total paid loss and loss expense</font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">328,083</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#ccffcc;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#ccffcc;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">290,450</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#ccffcc;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Net reserve for loss and loss expense, at end of period</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">3,242,243</font></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">3,107,541</font></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#d0ffd0;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Add: Reinsurance recoverable on unpaid loss and loss expense, at end of period</font></div></td><td style="vertical-align:bottom;background-color:#d0ffd0;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#d0ffd0;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">549,837</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#d0ffd0;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#d0ffd0;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#d0ffd0;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">571,930</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#d0ffd0;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Gross reserve for loss and loss expense at end of period</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">3,792,080</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">3,679,471</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr></table></div></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 </font><font style="font-family:inherit;font-size:10pt;">$57.5 million</font><font style="font-family:inherit;font-size:10pt;"> increase in current year loss and loss expense incurred illustrated in the table above was driven by catastrophe losses and non-catastrophe property losses. Catastrophe losses, which increased </font><font style="font-family:inherit;font-size:10pt;">$13.8 million</font><font style="font-family:inherit;font-size:10pt;">, to </font><font style="font-family:inherit;font-size:10pt;">$26.0 million</font><font style="font-family:inherit;font-size:10pt;"> in </font><font style="font-family:inherit;font-size:10pt;">First Quarter 2018</font><font style="font-family:inherit;font-size:10pt;">, were primarily related to the winter storms that impacted the east coast of the United States in early January and several Nor'easters in March. Non-catastrophe property losses, which increased </font><font style="font-family:inherit;font-size:10pt;">$34.3 million</font><font style="font-family:inherit;font-size:10pt;">, to </font><font style="font-family:inherit;font-size:10pt;">$105.7 million</font><font style="font-family:inherit;font-size:10pt;"> in </font><font style="font-family:inherit;font-size:10pt;">First Quarter 2018</font><font style="font-family:inherit;font-size:10pt;">, were principally related to the early January deep freeze in our footprint states and a relatively large number of severe fire losses.</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;">Prior year development in </font><font style="font-family:inherit;font-size:10pt;">First Quarter 2018</font><font style="font-family:inherit;font-size:10pt;"> of </font><font style="font-family:inherit;font-size:10pt;">$3.9 million</font><font style="font-family:inherit;font-size:10pt;"> included </font><font style="font-family:inherit;font-size:10pt;">$8.0 million</font><font style="font-family:inherit;font-size:10pt;"> of favorable casualty development and </font><font style="font-family:inherit;font-size:10pt;">$4.1 million</font><font style="font-family:inherit;font-size:10pt;"> of unfavorable property development. The favorable casualty development included </font><font style="font-family:inherit;font-size:10pt;">$16.0 million</font><font style="font-family:inherit;font-size:10pt;"> of development in our workers compensation line of business, partially offset by </font><font style="font-family:inherit;font-size:10pt;">$8.0 million</font><font style="font-family:inherit;font-size:10pt;"> of unfavorable casualty reserve development in our commercial automobile line of business.</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;">Prior year development in </font><font style="font-family:inherit;font-size:10pt;">First Quarter 2017</font><font style="font-family:inherit;font-size:10pt;"> of </font><font style="font-family:inherit;font-size:10pt;">$13.9 million</font><font style="font-family:inherit;font-size:10pt;"> was primarily due to favorable casualty reserve development of </font><font style="font-family:inherit;font-size:10pt;">$22.4 million</font><font style="font-family:inherit;font-size:10pt;"> in our general liability line of business. This was partially offset by unfavorable casualty reserve development of </font><font style="font-family:inherit;font-size:10pt;">$6.0 million</font><font style="font-family:inherit;font-size:10pt;"> in our commercial automobile line of business.</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;">For a discussion of the trends and recent developments impacting these lines, refer to the "Critical Accounting Policies and Estimates" section of Item 7. "Management's Discussion and Analysis of Financial Condition and Results of Operations." in our </font><font style="font-family:inherit;font-size:10pt;color:#000000;">2017</font><font style="font-family:inherit;font-size:10pt;"> Annual Report.</font></div></div>

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$SIGI
Selective Insurance Group Inc Stock $sigi

2018 Q2 Form 10-Q Financial Statement

#000023055718000024 Filed on May 03, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SIGI Selective Insurance Group Inc Stock $sigi

2018 Q2 Form 10-Q Financial Statement

#000023055718000024 Filed on May 03, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SIGI
Selective Insurance Group Inc Stock $sigi