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Investments (Changes in Net Unrealized Gains on Investments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Investment Holdings [Line Items]
Fixed maturity securities held for investment carried at amortized cost	$ (449)	$ (626)	$ (802)	$ (12,505)
Investments carried at fair value	(276,877)	405,237	(1,743,380)	797,248
Adjustment for effect on other balance sheet accounts:
Deferred policy acquisition costs and deferred sales inducements	152,944	(201,676)	938,637	(405,006)
Deferred income tax asset/liability	43,378	(71,247)	281,661	(137,285)
Total adjustment for effect on other balance sheet accounts	196,322	(272,923)	1,220,298	(542,291)
Change in net unrealized gains on investments carried at fair value	(80,555)	132,314	(523,082)	254,957
Fixed Maturity Securities [Member]
Investment Holdings [Line Items]
Investments carried at fair value	(276,793)	402,274	(1,735,347)	790,648
Equity Securities, Available For Sale [Member]
Investment Holdings [Line Items]
Investments carried at fair value	$ (84)	$ 2,963	$ (8,033)	$ 6,600

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Adjustments for Assumed Changes in Amortization of Deferred Policy Acquisition Costs and Deferred Sales Inducements Due to Net Unrealized Gains and Losses on Available for Sale Fixed Maturity and Equity Securities.

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Change in Net Unrealized Gain or Loss, Fixed Maturity Securities, Held for Investment

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Represents the aggregate of the adjustments for the effect on other balance sheet accounts related to the pretax change in net unrealized holding gain (loss) on available-for-sale securities that has been included in accumulated other comprehensive income, a separate component of shareholders' equity, during the period.

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This item represents the pretax change in net unrealized holding gain (loss) on available-for-sale securities that has been included in accumulated other comprehensive income, a separate component of shareholders' equity, during the period.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 21

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The change in unrealized holding gain (loss), net of tax, on available-for-sale securities included in a separate component of shareholders' equity during the period.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 21

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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This item represents the tax effects occurring during the period which are related to the net unrealized gain (loss) resulting from changes in the fair [carrying] value during the period of available-for-sale securities. Such tax affects would have been charged or credited directly to other comprehensive income or to related components of shareholders' equity.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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-Number 115

-Paragraph 21

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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

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