Statement of Operations (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
REVENUES
Premiums	$ 28,019	$ 21,824	$ 28,648
Policy charges and fee income	809,242	796,995	824,808
Net investment income	217,883	277,651	306,010
Asset management fees and other income	239,489	266,321	291,629
Realized investment gains (losses), net:
Other-than-temporary impairments on fixed maturity securities	0	(6,852)	(23,624)
Other-than-temporary impairments on fixed maturity securities transferred to Other Comprehensive Income	0	6,594	22,662
Other realized investment gains (losses), net	(184,351)	(82,972)	72,745
Total realized investment gains (losses), net	(184,351)	(83,230)	71,783
TOTAL REVENUES	1,110,282	1,279,561	1,522,878
BENEFITS AND EXPENSES
Policyholders' benefits	29,727	124,316	128,149
Interest credited to policyholders' account balances	(117,027)	60,830	554,197
Amortization of deferred policy acquisition costs	(385,561)	(188,042)	716,088
General, administrative and other expenses	402,679	424,764	442,062
TOTAL BENEFITS AND EXPENSES	(70,182)	421,868	1,840,496
INCOME FROM OPERATIONS BEFORE INCOME TAXES	1,180,464	857,693	(317,618)
IncomeTaxExpenseBenefitAbstract
Current Income Tax Expense (Benefit)	36,759	26,637	32,230
Deferred Income Tax Expense (Benefit)	295,613	196,997	(198,293)
Income tax expense (benefit)	332,372	223,634	(166,063)
NET INCOME	848,092	634,059	(151,555)
Other Comprehensive Income (Loss), before Tax [Abstract]
Foreign currency translation adjustments	5	10	0
Unrealized investment gains (losses) for the period	(108,769)	2,734	29,991
Reclassification adjustment for (gains) losses included in net income	(8,805)	(23,387)	(76,391)
Net unrealized investment gains (losses)	(117,574)	(20,653)	(46,400)
Other comprehensive income (loss), before tax	(117,569)	(20,643)	(46,400)
Other Comprehensive Income (Loss), Tax [Abstract]
Other Comprehensive Income (Loss), Tax, Total	(41,149)	(7,218)	(16,240)
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss)	(76,420)	(13,425)	(30,160)
COMPREHENSIVE INCOME	$ 771,672	$ 620,634	$ (181,715)