Statement of Operations (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011		Dec. 31, 2010
REVENUES
Premiums	$ 21,824	$ 28,648		$ 29,477
Policy charges and fee income	796,995	824,808		741,190
Net investment income	277,651	306,010		377,109
Asset management fees and other income	266,321	291,629		290,210
Realized investment gains (losses), net:
Other-than-temporary impairments on fixed maturity securities	(6,852)	(23,624)		(42,228)
Other-than-temporary impairments on fixed maturity securities transferred to Other Comprehensive Income	6,594	22,662		39,224
Other realized investment gains (losses), net	(82,972)	72,745		139,043
Total realized investment gains (losses), net	(83,230)	71,783		136,039
TOTAL REVENUES	1,279,561	1,522,878	[1]	1,574,025	[1]
BENEFITS AND EXPENSES
Policyholders' benefits	124,316	128,149		40,911
Interest credited to policyholders' account balances	60,830	554,197		371,798
Amortization of deferred policy acquisition costs	(188,042)	716,088	[1]	178,669	[1]
General, administrative and other expenses	424,764	442,062	[1]	449,351	[1]
TOTAL BENEFITS AND EXPENSES	421,868	1,840,496	[1]	1,040,729	[1]
INCOME FROM OPERATIONS BEFORE INCOME TAXES	857,693	(317,618)	[1]	533,296	[1]
Income Tax Expense (Benefit) [Abstract]
Current Income Tax Expense (Benefit)	26,637	32,230		(28,619)
Deferred Income Tax Expense (Benefit)	196,997	(198,293)		148,125
Income tax expense (benefit)	223,634	(166,063)	[1]	119,506	[1]
NET INCOME	634,059	(151,555)	[1]	413,790	[1]
Other Comprehensive Income (Loss), before Tax [Abstract]
Foreign currency translation adjustments	10	0		0
Unrealized investment gains (losses) for the period	2,734	29,991		104,799
Reclassification adjustment for (gains) losses included in net income	(23,387)	(76,391)		(31,683)
Net unrealized investment gains (losses)	(20,653)	(46,400)		73,116
Other comprehensive income (loss), before tax	(20,643)	(46,400)		73,116
Other Comprehensive Income (Loss), Tax [Abstract]
Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax	4	0		0
Other Comprehensive Income Loss Available For Sale Securities Tax	(7,222)	(16,240)		25,591
Other Comprehensive Income (Loss), Tax, Total	(7,218)	(16,240)		25,591
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss)	(13,425)	(30,160)		47,525
COMPREHENSIVE INCOME	$ 620,634	$ (181,715)		$ 461,315

[1] “As previously reported” column represents balances reported in the Annual Report on Form 10-K for the year ended December 31, 2011, originally filed with the SEC on March 9, 2012. “As currently reported” column was included in the 8-K filed with the SEC on November 28, 2012.