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v2.4.1.9

Reinsurance (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items] |  |  |
Life Insurance in Force, Gross Amount | $ 15,800,701 us-gaap_LifeInsuranceInForceGross | $ 15,102,466 us-gaap_LifeInsuranceInForceGross | $ 14,632,272 us-gaap_LifeInsuranceInForceGross
Life Insurance in Force, Ceded to Other Companies | 3,360,016 us-gaap_LifeInsuranceInForceCeded | 3,231,421 us-gaap_LifeInsuranceInForceCeded | 3,070,951 us-gaap_LifeInsuranceInForceCeded
Life Insurance in Force, Assumed from Other Companies | 0 us-gaap_LifeInsuranceInForceAssumed | 0 us-gaap_LifeInsuranceInForceAssumed | 0 us-gaap_LifeInsuranceInForceAssumed
Life Insurance in Force, Net Amount | 12,440,685 us-gaap_LifeInsuranceInForceNet | 11,871,045 us-gaap_LifeInsuranceInForceNet | 11,561,321 us-gaap_LifeInsuranceInForceNet
Life Insurance in Force, Percentage of Amount Assumed to Net | 0.00%us-gaap_LifeInsuranceInForcePercentageAssumedToNet | 0.00%us-gaap_LifeInsuranceInForcePercentageAssumedToNet | 0.00%us-gaap_LifeInsuranceInForcePercentageAssumedToNet
Premiums |  |  |
Gross Amount | 739,281 us-gaap_DirectPremiumsEarned | 717,494 us-gaap_DirectPremiumsEarned | 696,721 us-gaap_DirectPremiumsEarned
Ceded to Other Companies | 27,276 us-gaap_CededPremiumsEarned | 29,990 us-gaap_CededPremiumsEarned | 29,634 us-gaap_CededPremiumsEarned
Assumed from Other Companies | 3,755 us-gaap_AssumedPremiumsEarned | 3,434 us-gaap_AssumedPremiumsEarned | 3,440 us-gaap_AssumedPremiumsEarned
Net Amount | 715,760 us-gaap_PremiumsEarnedNet | 690,938 us-gaap_PremiumsEarnedNet | 670,527 us-gaap_PremiumsEarnedNet
Percentage of Amount Assumed to Net | 0.50%us-gaap_PremiumsPercentageAssumedToNet | 0.50%us-gaap_PremiumsPercentageAssumedToNet | 0.50%us-gaap_PremiumsPercentageAssumedToNet
Property And Casualty Segment [Member] |  |  |
Premiums |  |  |
Gross Amount | 599,230 us-gaap_DirectPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember | 582,780 us-gaap_DirectPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember | 566,853 us-gaap_DirectPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
Ceded to Other Companies | 21,157 us-gaap_CededPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember | 24,260 us-gaap_CededPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember | 23,954 us-gaap_CededPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
Assumed from Other Companies | 3,755 us-gaap_AssumedPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember | 3,434 us-gaap_AssumedPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember | 3,440 us-gaap_AssumedPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
Net Amount | 581,828 us-gaap_PremiumsEarnedNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember | 561,954 us-gaap_PremiumsEarnedNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember | 546,339 us-gaap_PremiumsEarnedNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
Percentage of Amount Assumed to Net | 0.60%us-gaap_PremiumsPercentageAssumedToNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember | 0.60%us-gaap_PremiumsPercentageAssumedToNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember | 0.60%us-gaap_PremiumsPercentageAssumedToNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
Annuity [Member] |  |  |
Premiums |  |  |
Gross Amount | 25,540 us-gaap_DirectPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_VariableAnnuityMember | 22,575 us-gaap_DirectPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_VariableAnnuityMember | 21,794 us-gaap_DirectPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_VariableAnnuityMember
Ceded to Other Companies | 0 us-gaap_CededPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_VariableAnnuityMember | 0 us-gaap_CededPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_VariableAnnuityMember | 0 us-gaap_CededPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_VariableAnnuityMember
Assumed from Other Companies | 0 us-gaap_AssumedPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_VariableAnnuityMember | 0 us-gaap_AssumedPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_VariableAnnuityMember | 0 us-gaap_AssumedPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_VariableAnnuityMember
Net Amount | 25,540 us-gaap_PremiumsEarnedNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_VariableAnnuityMember | 22,575 us-gaap_PremiumsEarnedNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_VariableAnnuityMember | 21,794 us-gaap_PremiumsEarnedNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_VariableAnnuityMember
Percentage of Amount Assumed to Net | 0.00%us-gaap_PremiumsPercentageAssumedToNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_VariableAnnuityMember | 0.00%us-gaap_PremiumsPercentageAssumedToNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_VariableAnnuityMember | 0.00%us-gaap_PremiumsPercentageAssumedToNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_VariableAnnuityMember
Life [Member] |  |  |
Premiums |  |  |
Gross Amount | 114,511 us-gaap_DirectPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_LifeInsuranceSegmentMember | 112,139 us-gaap_DirectPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_LifeInsuranceSegmentMember | 108,074 us-gaap_DirectPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_LifeInsuranceSegmentMember
Ceded to Other Companies | 6,119 us-gaap_CededPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_LifeInsuranceSegmentMember | 5,730 us-gaap_CededPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_LifeInsuranceSegmentMember | 5,680 us-gaap_CededPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_LifeInsuranceSegmentMember
Assumed from Other Companies | 0 us-gaap_AssumedPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_LifeInsuranceSegmentMember | 0 us-gaap_AssumedPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_LifeInsuranceSegmentMember | 0 us-gaap_AssumedPremiumsEarned / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_LifeInsuranceSegmentMember
Net Amount | $ 108,392 us-gaap_PremiumsEarnedNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_LifeInsuranceSegmentMember | $ 106,409 us-gaap_PremiumsEarnedNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_LifeInsuranceSegmentMember | $ 102,394 us-gaap_PremiumsEarnedNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_LifeInsuranceSegmentMember
Percentage of Amount Assumed to Net | 0.00%us-gaap_PremiumsPercentageAssumedToNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_LifeInsuranceSegmentMember | 0.00%us-gaap_PremiumsPercentageAssumedToNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_LifeInsuranceSegmentMember | 0.00%us-gaap_PremiumsPercentageAssumedToNet / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = us-gaap_LifeInsuranceSegmentMember

X
- Definition Amount of earned premiums assumed from other entities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 17 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.1) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b),(c)(2) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 1 -Article 7 + Details
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- Definition Amount, before premiums ceded to other entities and premiums assumed by the entity, of premiums earned. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 17 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.1) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 1 -Article 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b),(c)(1) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
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- Definition Amount of life insurance issued and outstanding assumed from other entities. Includes, but not limited to, dividends and adjustments to face value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 17 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 + Details
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- Definition Amount of life insurance issued and outstanding ceded to other entities. Includes, but not limited to, dividends and adjustments to face value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 17 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 + Details
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- Definition Amount before contracts ceded to other entities and contracts assumed by the entity of life insurance issued and outstanding. Includes, but not limited to, dividends and adjustments to face value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 17 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 + Details
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- Definition Amount after contracts ceded to other entities and contracts assumed by the entity of life insurance issued and outstanding. Includes, but not limited to, dividends and adjustments to face value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 17 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 + Details
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