XML 67 R44.htm IDEA: XBRL DOCUMENT v2.4.1.9
Investments (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Investments    
Cost or Amortized Cost $ 3,100,500us-gaap_AvailableForSaleSecuritiesAmortizedCost  
Fair Value 3,612,636us-gaap_AvailableForSaleSecurities  
Fixed maturity securities    
Investments    
Cost or Amortized Cost 2,249,891us-gaap_AvailableForSaleSecuritiesAmortizedCost
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Gross Unrealized Gains 431,554us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
/ us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentAxis
= us-gaap_FixedMaturitiesMember		 280,536us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
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Gross Unrealized Losses (2,757)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
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Fair Value 2,678,688us-gaap_AvailableForSaleSecurities
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= us-gaap_FixedMaturitiesMember		 2,592,484us-gaap_AvailableForSaleSecurities
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= us-gaap_FixedMaturitiesMember
Fixed maturity securities | OTTI | Available-for-sale securities.    
Investments    
OTTI in AOCI 15,841us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1
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Fixed maturity securities | United States Government and government agencies and authorities.    
Investments    
Cost or Amortized Cost 19,221us-gaap_AvailableForSaleSecuritiesAmortizedCost
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Gross Unrealized Gains 255us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
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= us-gaap_USTreasuryAndGovernmentMember
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= us-gaap_FixedMaturitiesMember		 269us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
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Gross Unrealized Losses (1)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
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Fair Value 19,475us-gaap_AvailableForSaleSecurities
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Fixed maturity securities | United States Government and government agencies and authorities. | OTTI | Available-for-sale securities.    
Investments    
OTTI in AOCI 0us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1
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= us-gaap_AvailableforsaleSecuritiesMember
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Fixed maturity securities | States, municipalities and political subdivisions    
Investments    
Cost or Amortized Cost 42,745us-gaap_AvailableForSaleSecuritiesAmortizedCost
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Gross Unrealized Gains 3,043us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
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Gross Unrealized Losses 0us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
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Fair Value 45,788us-gaap_AvailableForSaleSecurities
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Fixed maturity securities | States, municipalities and political subdivisions | OTTI | Available-for-sale securities.    
Investments    
OTTI in AOCI 0us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1
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Fixed maturity securities | Foreign governments    
Investments    
Cost or Amortized Cost 19,061us-gaap_AvailableForSaleSecuritiesAmortizedCost
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Gross Unrealized Gains 2,763us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
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Gross Unrealized Losses 0us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
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Fair Value 21,824us-gaap_AvailableForSaleSecurities
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Fixed maturity securities | Foreign governments | OTTI | Available-for-sale securities.    
Investments    
OTTI in AOCI 0us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1
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Fixed maturity securities | Asset-backed    
Investments    
Cost or Amortized Cost 684us-gaap_AvailableForSaleSecuritiesAmortizedCost
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Gross Unrealized Gains 50us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
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Gross Unrealized Losses 0us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
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Fair Value 734us-gaap_AvailableForSaleSecurities
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Fixed maturity securities | Asset-backed | OTTI | Available-for-sale securities.    
Investments    
OTTI in AOCI 0us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1
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Fixed maturity securities | Commercial mortgage-backed    
Investments    
Cost or Amortized Cost 3,794us-gaap_AvailableForSaleSecuritiesAmortizedCost
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Gross Unrealized Gains 102us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
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Gross Unrealized Losses 0us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
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Fair Value 3,896us-gaap_AvailableForSaleSecurities
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Fixed maturity securities | Commercial mortgage-backed | OTTI | Available-for-sale securities.    
Investments    
OTTI in AOCI 0us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1
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Fixed maturity securities | Residential mortgage-backed    
Investments    
Cost or Amortized Cost 65,090us-gaap_AvailableForSaleSecuritiesAmortizedCost
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Gross Unrealized Gains 6,948us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
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Fair Value 72,026us-gaap_AvailableForSaleSecurities
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Fixed maturity securities | Residential mortgage-backed | OTTI | Available-for-sale securities.    
Investments    
OTTI in AOCI 2,386us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1
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Fixed maturity securities | Corporate    
Investments    
Cost or Amortized Cost 2,099,296us-gaap_AvailableForSaleSecuritiesAmortizedCost
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Gross Unrealized Gains 418,393us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
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Investments    
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Investments    
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Investments    
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Investments    
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