Income Taxes (Deferred Tax Assets and Liabilitites) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
DeferredTaxAssetsNetAbstract
DeferredTaxAssetsInsuranceReserves	$ 267,536	$ 292,815
DeferredTaxAssetsInvestments	13,270us-gaap_DeferredTaxAssetsInvestments	124,489us-gaap_DeferredTaxAssetsInvestments
DeferredTaxAssetsOther	0us-gaap_DeferredTaxAssetsOther	0us-gaap_DeferredTaxAssetsOther
DeferredTaxAssetsNet	282,566us-gaap_DeferredTaxAssetsNet	419,165us-gaap_DeferredTaxAssetsNet
DeferredTaxAssetsCompensationReserves	1,760	1,860
DeferredTaxLiabilitiesAbstract
DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	68,819	66,046
DeferredTaxLiabilities	673,428us-gaap_DeferredTaxLiabilities	785,521us-gaap_DeferredTaxLiabilities
Deferred annuity bonus	232,822	283,236
DAC and VOBA Deferred Tax Liability	370,548	435,775
Deferred Tax Liabilities Other	1,239us-gaap_DeferredTaxLiabilitiesOther	464us-gaap_DeferredTaxLiabilitiesOther
DeferredTaxAssetsLiabilitiesNet	$ (390,863)us-gaap_DeferredTaxAssetsLiabilitiesNet	$ (366,356)us-gaap_DeferredTaxAssetsLiabilitiesNet

No authoritative reference available.

No definition available.

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- Definition

Insurance Reserves

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No definition available.

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- Definition

No authoritative reference available.

+ References

No definition available.

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- Definition

DAC and VOBA Deferred Tax Liability

+ References

No definition available.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments).

+ References

No definition available.

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- Definition

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b),(c)

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

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-Section 25

-Paragraph 20

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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-Publisher FASB

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Amount of deferred tax liability attributable to taxable temporary differences not separately disclosed.

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences from unrealized gains on trading securities.

+ References

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