Consolidated Statements of Cash Flows - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)		$ 108,638	$ 327,793	$ 405,205
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Policy charges and fee income		(116,675)	(142,781)	113,501
Interest credited to policyholders’ account balances		171,993	168,391	301,220
Realized investment (gains) losses, net		167,278	80,186	(758,449)
Amortization and other non-cash items		(43,259)	(65,536)	(70,104)
Change in:
Future policy benefits		1,843,825	1,920,440	1,801,299
Reinsurance recoverables		(1,832,092)	(2,046,215)	(1,764,242)
Accrued investment income		(5,937)	(3,692)	12,709
Net payables to/receivables from parent and affiliates		18,457	43,913	(9,851)
Deferred policy acquisition costs		(211,059)	(183,884)	311,273
Income taxes		(28,950)	(76,330)	(39,769)
Derivatives, net		(44,585)	55,104	(198,861)
Other, net		(4,487)	26,443	(110,850)
Cash flows from (used in) operating activities		23,147	103,832	(6,919)
Proceeds from the sale/maturity/prepayment of:
Fixed maturities, available-for-sale		561,340	1,062,236	1,371,000
Fixed maturities, trading	[1]	0	214	527
Equity securities	[1]	6,008	510	35,686
Policy loans		153,124	143,655	137,778
Ceded policy loans		(15,131)	(15,188)	(8,989)
Short-term investments		13,404	72,725	260,027
Commercial mortgage and other loans		64,261	254,635	209,263
Other invested assets	[1]	19,527	31,192	12,479
Payments for the purchase/origination of:
Fixed maturities, available-for-sale		(875,672)	(1,315,508)	(2,465,763)
Fixed maturities, trading	[1]	(6,481)	(15,019)	0
Equity securities	[1]	(5,039)	(5,000)	(5,000)
Policy loans		(179,968)	(123,645)	(120,628)
Ceded policy loans		17,036	18,942	18,054
Short-term investments		(13,430)	(37,407)	(241,827)
Commercial mortgage and other loans		(199,847)	(180,929)	(312,898)
Other invested assets	[1]	(70,902)	(32,275)	(32,307)
Notes receivable from parent and affiliates, net		(2,464)	5,731	20,463
Derivatives, net		639	(17,569)	20,954
Other, net		(2,880)	(152,576)	(261)
Cash flows from (used in) investing activities		(536,475)	(305,276)	(1,101,442)
CASH FLOWS FROM FINANCING ACTIVITIES:
Policyholders’ account deposits		5,093,239	4,540,655	4,289,697
Ceded policyholders’ account deposits		(3,230,005)	(3,083,049)	(2,430,570)
Policyholders’ account withdrawals		(3,135,714)	(2,682,445)	(2,505,219)
Ceded policyholders’ account withdrawals		2,022,519	1,692,756	1,072,151
Net change in securities sold under agreement to repurchase and cash collateral for loaned securities		(22,106)	(110,710)	103,463
Dividend to parent		0	(250,000)	0
Contributed Capital		0	148,500	405,321
Contributed (distributed) capital - parent/child asset transfers		0	2,354	1,676
Repayments of debt (maturities longer than 90 days)		0	0	(125,000)
Drafts outstanding		(10,334)	59,795	22,713
Cash flows from (used in) financing activities		717,599	317,856	834,232
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS		204,271	116,412	(274,129)
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR		212,569	96,157	370,286
CASH AND CASH EQUIVALENTS, END OF YEAR		416,840	212,569	96,157
SUPPLEMENTAL CASH FLOW INFORMATION
Income taxes paid (refund)		(23,684)	(45,538)	(28,772)
Interest paid		3,099	$ 2,179	$ 16,263
Significant Non-Cash Transactions
Increase (Decrease) In Fixed Maturities, Available For Sale, Investing Activities		(837,000)
Increase (Decrease) In Other Invested Assets, Tax Settlements, Investing Activities		$ (35,000)

[1] Prior period amounts have been reclassified to conform to current period presentation. See Note 2 for details.