Statement of Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
REVENUES
Premiums	$ 5,301	$ 6,934	$ 11,067	$ 15,446
Policy charges and fee income	199,806	211,071	401,430	415,573
Net investment income	69,177	76,587	143,070	157,718
Asset management fees and other income	65,974	78,453	133,975	157,029
Realized investment gains (losses), net:
Other-than-temporary impairments on fixed maturity securities	(1,520)	(6,243)	(3,131)	(15,328)
Other-than-temporary impairments on fixed maturity securities transferred to Other Comprehensive Income	1,437	6,104	2,979	15,029
Other realized investment gains (losses), net	35,243	30,013	(771)	28,313
Total realized investment gains (losses), net	35,160	29,874	(923)	28,014
TOTAL REVENUES	375,418	402,919	688,619	773,780
BENEFITS AND EXPENSES
Policyholders' benefits	41,459	27,277	32,202	41,469
Interest credited to policyholders' account balances	227,250	104,127	139,795	170,611
Amortization of deferred policy acquisition costs	340,993	117,285	109,847	139,473
General, administrative and other expenses	106,917	109,668	216,777	217,088
TOTAL BENEFITS AND EXPENSES	716,619	358,357	498,621	568,641
INCOME FROM OPERATIONS BEFORE INCOME TAXES	(341,201)	44,562	189,998	205,139
Income Tax Expense (Benefit) [Abstract]
Income tax expense (benefit)	(104,054)	9,910	54,798	48,967
NET INCOME	(237,147)	34,652	135,200	156,172
Other Comprehensive Income (Loss), before Tax [Abstract]
Foreign currency translation adjustments	(23)	0	(20)	0
Unrealized investment gains (losses) for the period	8,946	45,054	(4,843)	9,063
Reclassification adjustment for (gains) losses included in net income	(6,789)	(30,057)	(13,857)	(45,622)
Net unrealized investment gains (losses)	2,157	14,997	(18,700)	(36,559)
Other comprehensive income (loss), before tax	2,134	14,997	(18,720)	(36,559)
Other Comprehensive Income (Loss), Tax [Abstract]
Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax	(8)	0	(7)	0
Other Comprehensive Income Loss Available For Sale Securities Tax	755	5,249	(6,538)	(12,796)
Other Comprehensive Income (Loss), Tax, Total	747	5,249	(6,545)	(12,796)
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other Comprehensive Income Loss Net Of Tax	1,387	9,748	(12,175)	(23,763)
COMPREHENSIVE INCOME	$ (235,760)	$ 44,400	$ 123,025	$ 132,409