Income Taxes (Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred income tax assets:
Policy benefit reserves	$ 1,875,516	$ 1,698,831
Other than temporary impairments	901	8,177
Investment income items	2,121	0
Amounts due reinsurer	7,366	0
Other policyholder funds	9,200	10,860
Litigation settlement accrual	7,420	7,351
Deferred compensation	13,430	14,659
Convertible senior notes	34,818	0
Net operating loss carryforwards	24,179	16,783
Other	8,835	7,192
Gross deferred tax assets	1,983,786	1,763,853
Deferred income tax liabilities:
Deferred policy acquisition costs and deferred sales inducements	(1,475,403)	(1,425,266)
Net unrealized gains on available for sale fixed maturity and equity securities	(12,742)	(357,686)
Convertible senior notes	0	(6,665)
Derivative instruments	(193,067)	(18,280)
Investment income items	0	(2,588)
Other	(718)	(2,671)
Gross deferred tax liabilities	(1,681,930)	(1,813,156)
Net deferred income tax (liability) asset	$ 301,856	$ (49,303)

The amount as of the balance sheet date of the estimated future tax effects attributable to differences between the methods used to account for reinsurance arrangements for tax purposes and under generally accepted accounting principles which will decrease future taxable income when such differences reverse.

No definition available.