CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities
Net income	$ 155,607	$ 159,682
Adjustments to reconcile net income to net cash provided by operating activities:
Realized investment (gains) losses	50,527	112,124
Amortization of DAC and VOBA	110,498	43,621
Capitalization of DAC	(223,686)	(133,799)
Depreciation and amortization expense	33,785	30,765
Deferred income tax	3,065	62,327
Accrued income tax	103,092	16,754
Interest credited to universal life and investment products	389,009	326,949
Policy fees assessed on universal life and investment products	(748,474)	(666,174)
Change in reinsurance receivables	111,242	77,594
Change in accrued investment income and other receivables	(34,198)	9,326
Change in policy liabilities and other policyholders’ funds of traditional life and health products	(270,188)	(163,476)
Trading securities:
Maturities and principal reductions of investments	117,994	77,697
Sale of investments	118,370	136,007
Cost of investments acquired	(206,741)	(193,774)
Other net change in trading securities	13,791	12,504
Amortization of premiums and accretion of discounts on investments and mortgage loans	150,402	219,097
Change in other liabilities	37,809	60,499
Other, net	8,256	(117,697)
Net cash (used in) provided by operating activities	(79,840)	70,026
Cash flows from investing activities
Maturities and principal reductions of investments, available-for-sale	592,514	349,663
Sale of investments, available-for-sale	1,417,304	860,182
Cost of investments acquired, available-for-sale	(2,126,627)	(1,465,086)
Change in investments, held-to-maturity	39,000	21,000
Mortgage loans:
New lendings	(811,103)	(745,445)
Repayments	494,729	373,836
Change in investment real estate, net	615	1,546
Change in policy loans, net	25,361	15,431
Change in other long-term investments, net	(225,809)	(6,063)
Change in short-term investments, net	(101,662)	(41,417)
Net unsettled security transactions	141,791	11,312
Purchase of property, equipment, and intangibles	(6,956)	(15,709)
Cash received from reinsurance transaction	20,669	0
Net cash used in investing activities	(540,174)	(640,750)
Cash flows from financing activities
Borrowings under line of credit arrangements, debt, and subordinated debt	655,000	305,000
Principal payments on line of credit arrangement, debt, and subordinated debt	(348,684)	(283,998)
Issuance (repayment) of non-recourse funding obligations	(77,000)	(21,000)
Secured financing liabilities	(913,210)	(357,596)
Dividends to shareowner	(140,000)	(143,848)
Investment product deposits and change in universal life deposits	2,933,610	2,240,760
Investment product withdrawals	(1,551,086)	(1,111,905)
Other financing activities, net	(194)	0
Net cash provided by financing activities	558,436	627,413
Change in cash	(61,578)	56,689
Cash at beginning of period	252,310	348,182
Cash at end of period	$ 190,732	$ 404,871