Statement of Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
REVENUES
Premiums	$ 9,192	$ 8,142
Policy charges and fee income	191,383	201,667
Net investment income	37,589	44,501
Asset management fees and other income	54,043	57,110
Realized investment gains (losses), net:
Other-than-temporary impairments on fixed maturity securities	(25)	0
Other-than-temporary impairments on fixed maturity securities transferred to Other Comprehensive Income	16	0
Other realized investment gains (losses), net	13,484	(171)
Total realized investment gains (losses), net	13,475	(171)
TOTAL REVENUES	305,682	311,249
BENEFITS AND EXPENSES
Policyholders' benefits	11,989	28,943
Interest credited to policyholders' account balances	91,630	47,969
Amortization of deferred policy acquisition costs	141,060	38,983
General, administrative and other expenses	87,072	101,001
TOTAL BENEFITS AND EXPENSES	331,751	216,896
INCOME FROM OPERATIONS BEFORE INCOME TAXES	(26,069)	94,353
IncomeTaxExpenseBenefitAbstract
Income tax expense (benefit)	(4,767)	16,855
NET INCOME	(21,302)	77,498
Other Comprehensive Income (Loss), before Tax [Abstract]
Foreign currency translation adjustments	(59)	(1)
Unrealized investment gains (losses) for the period	14,793	20,190
Reclassification adjustment for (gains) losses included in net income	(1,862)	(806)
Net unrealized investment gains (losses)	12,931	19,384
Other comprehensive income (loss), before tax	12,872	19,383
Other Comprehensive Income (Loss), Tax [Abstract]
Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax	(21)	(1)
Other Comprehensive Income Loss Available For Sale Securities Tax	4,526	6,785
Other Comprehensive Income (Loss), Tax, Total	4,505	6,784
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss)	8,367	12,599
COMPREHENSIVE INCOME	$ (12,935)	$ 90,097