Consolidated Statement of Operations and Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
REVENUES
Premiums	$ 28,544	$ 50,808	$ 54,706
Policy charges and fee income	544,156	533,327	275,693
Net investment income	393,797	325,287	352,410
Asset administration fees	16,056	14,368	17,593
Other income	83,560	72,964	67,749
Realized investment gains (losses), net:
Other-than-temporary impairments on fixed maturity securities	(8,655)	(3,710)	(8,374)
Other-than-temporary impairments on fixed maturity securities transferred to other comprehensive income	(379)	0	995
Other realized investment gains (losses), net	(107,715)	(163,568)	(72,807)
Total realized investment gains (losses), net	(116,749)	(167,278)	(80,186)
TOTAL REVENUES	949,364	829,476	687,965
BENEFITS AND EXPENSES
Policyholders’ benefits	153,074	149,499	(18,416)
Interest credited to policyholders’ account balances	187,229	171,993	168,391
Amortization of deferred policy acquisition costs	113,318	135,826	95,007
General, administrative and other expenses	336,959	314,371	271,533
TOTAL BENEFITS AND EXPENSES	790,580	771,689	516,515
INCOME (LOSS) FROM OPERATIONS BEFORE INCOME TAXES AND EQUITY IN EARNINGS OF OPERATING JOINT VENTURE	158,784	57,787	171,450
Income tax expense (benefit)	(59,132)	(52,641)	(156,828)
INCOME (LOSS) FROM OPERATIONS BEFORE EQUITY IN EARNINGS OF OPERATING JOINT VENTURE	217,916	110,428	328,278
Equity in earnings of operating joint venture, net of taxes	(917)	(1,790)	(485)
NET INCOME (LOSS)	216,999	108,638	327,793
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	9,572	(17,745)	259
Net unrealized investment gains (losses)	381,447	(259,981)	137,484
Total	391,019	(277,726)	137,743
Less: Income tax expense (benefit) related to other comprehensive income (loss)	81,281	(55,174)	43,372
Other comprehensive income (loss), net of tax	309,738	(222,552)	94,371
Comprehensive income (loss)	$ 526,737	$ (113,914)	$ 422,164