CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Jan. 31, 2015	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities
Net income		$ 268,299	$ 1,106,532	$ 393,029
Adjustments to reconcile net income to net cash provided by operating activities:
Realized investment (gains) losses		163,882	196,142	(32,623)
Amortization of deferred policy acquisition costs and value of business acquired		94,056	78,221	149,064
Capitalization of deferred policy acquisition costs		(296,795)	(333,252)	(327,938)
Depreciation and amortization expense		49,741	62,609	37,504
Deferred income tax		130,072	(697,727)	247,687
Accrued income tax		65,415	40,280	(162,619)
Interest credited to universal life and investment products		682,836	692,993	699,227
Policy fees assessed on universal life and investment products		(1,056,092)	(1,354,685)	(1,262,166)
Change in reinsurance receivables		187,269	248,148	222,302
Change in accrued investment income and other receivables		24,202	(6,643)	(36,360)
Change in policy liabilities and other policyholders' funds of traditional life and health products		(164,232)	(294,205)	(208,075)
Trading securities:
Maturities and principal reductions of investments		114,501	165,575	154,633
Sale of investments		135,465	281,441	459,802
Cost of investments acquired		(220,094)	(355,410)	(532,429)
Other net change in trading securities		73,376	9,151	22,427
Amortization of premiums and accretion of discounts on investments and mortgage loans		373,636	319,582	375,044
Change in other liabilities		(206,765)	138,304	132,220
Other, net		(63,144)	(101,784)	(81,091)
Net cash provided by operating activities		355,628	195,272	249,638
Cash flows from investing activities
Maturities and principal reductions of investments, available-for-sale		1,052,198	696,574	1,299,753
Sale of investments, available-for-sale		1,336,350	1,802,215	1,956,302
Cost of investments acquired, available-for-sale		(3,546,474)	(4,029,233)	(4,982,907)
Change in investments, held-to-maturity		65,000	(47,000)	2,181,000
Mortgage loans:
New lendings		(1,466,020)	(1,671,929)	(1,396,283)
Repayments		1,306,034	923,347	863,873
Change in investment real estate, net		(3,662)	(104)	2,851
Change in policy loans, net		52,364	34,625	49,268
Change in other long-term investments, net		(73,907)	(91,518)	(250,557)
Change in short-term investments, net		(11,221)	(279,191)	(72,810)
Net unsettled security transactions		(64,615)	(19,023)	28,853
Purchase of property and equipment		(8,862)	(37,533)	(5,295)
Cash received from or paid for acquisitions, net of cash acquired		0	0	320,967
Net cash (used in) provided by investing activities		(1,492,815)	(2,624,770)	(4,366,985)
Cash flows from financing activities
Borrowings under line of credit arrangements and debt		330,000	1,035,000	265,000
Principal payments on line of credit arrangement and debt		(338,093)	(1,156,498)	(633,074)
Issuance (repayment) of non-recourse funding obligations		65,000	(47,000)	2,094,700
Proceeds from (Repayments of) Secured Debt		388,185	220,028	359,536
Dividends to shareowners		0	(143,848)	(89,343)
Investment product and universal life deposits		3,064,373	4,683,121	4,393,596
Investment product and universal life withdrawals		(2,438,916)	(2,256,981)	(2,320,958)
Other financing activities, net		0	(196)	0
Net cash provided by (used in) financing activities		1,070,549	2,333,626	4,069,457
Change in cash		(66,638)	(95,872)	(47,890)
Cash at beginning of period		462,710	348,182	396,072
Cash at end of period	$ 462,710	396,072	$ 252,310	$ 348,182
Predecessor
Cash flows from operating activities
Net income	1,509
Adjustments to reconcile net income to net cash provided by operating activities:
Realized investment (gains) losses	42,602
Amortization of deferred policy acquisition costs and value of business acquired	4,072
Capitalization of deferred policy acquisition costs	(22,489)
Depreciation and amortization expense	820
Deferred income tax	30,791
Accrued income tax	(32,803)
Interest credited to universal life and investment products	79,088
Policy fees assessed on universal life and investment products	(90,288)
Change in reinsurance receivables	(85,081)
Change in accrued investment income and other receivables	(5,789)
Change in policy liabilities and other policyholders' funds of traditional life and health products	176,980
Trading securities:
Maturities and principal reductions of investments	17,946
Sale of investments	26,422
Cost of investments acquired	(27,289)
Other net change in trading securities	(26,901)
Amortization of premiums and accretion of discounts on investments and mortgage loans	12,930
Change in other liabilities	238,592
Other, net	(149,889)
Net cash provided by operating activities	191,223
Cash flows from investing activities
Maturities and principal reductions of investments, available-for-sale	59,028
Sale of investments, available-for-sale	191,062
Cost of investments acquired, available-for-sale	(149,887)
Change in investments, held-to-maturity	0
Mortgage loans:
New lendings	(100,530)
Repayments	45,741
Change in investment real estate, net	7
Change in policy loans, net	6,365
Change in other long-term investments, net	(25,339)
Change in short-term investments, net	(40,314)
Net unsettled security transactions	37,510
Purchase of property and equipment	(649)
Cash received from or paid for acquisitions, net of cash acquired	0
Net cash (used in) provided by investing activities	22,994
Cash flows from financing activities
Borrowings under line of credit arrangements and debt	0
Principal payments on line of credit arrangement and debt	(60,000)
Issuance (repayment) of non-recourse funding obligations	0
Proceeds from (Repayments of) Secured Debt	0
Dividends to shareowners	0
Investment product and universal life deposits	169,233
Investment product and universal life withdrawals	(240,147)
Other financing activities, net	(4)
Net cash provided by (used in) financing activities	(130,918)
Change in cash	83,299
Cash at beginning of period	379,411	$ 462,710
Cash at end of period	$ 462,710