CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities
Net income	$ 74,112	$ 75,414
Adjustments to reconcile net income to net cash provided by operating activities:
Realized investment (gains) losses	13,185	54,868
Amortization of DAC and VOBA	57,981	20,519
Capitalization of DAC	(99,246)	(81,474)
Depreciation and amortization expense	16,763	15,474
Deferred income tax	20,965	29,133
Accrued income tax	69,790	6,737
Interest credited to universal life and investment products	178,238	160,239
Policy fees assessed on universal life and investment products	(351,128)	(335,883)
Change in reinsurance receivables	(14,874)	15,219
Change in accrued investment income and other receivables	(7,185)	(9,368)
Change in policy liabilities and other policyholders’ funds of traditional life and health products	(111,356)	(94,234)
Trading securities:
Maturities and principal reductions of investments	53,420	44,041
Sale of investments	67,298	85,382
Cost of investments acquired	(129,346)	(114,390)
Other net change in trading securities	(10,901)	3,801
Amortization of premiums and accretion of discounts on investments and mortgage loans	73,529	142,613
Change in other liabilities	27,947	19,373
Other, net	(21,303)	2,554
Net cash (used in) provided by operating activities	(92,111)	40,018
Cash flows from investing activities
Maturities and principal reductions of investments, available-for-sale	151,227	166,419
Sale of investments, available-for-sale	436,969	269,509
Cost of investments acquired, available-for-sale	(674,513)	(623,564)
Change in investments, held-to-maturity	18,000	11,000
Mortgage loans:
New lendings	(248,231)	(373,108)
Repayments	206,111	177,142
Change in investment real estate, net	583	832
Change in policy loans, net	20,973	14,729
Change in other long-term investments, net	(136,969)	(33,832)
Change in short-term investments, net	187,652	31,859
Net unsettled security transactions	48,994	7,361
Purchase of property, equipment, and intangibles	(2,244)	(8,118)
Net cash provided by (used in) investing activities	8,552	(359,771)
Cash flows from financing activities
Borrowings under line of credit arrangements and debt	375,000	255,000
Principal payments on line of credit arrangement and debt	(211,412)	(98,498)
Issuance (repayment) of non-recourse funding obligations	(18,000)	(11,000)
Secured financing liabilities	(238,802)	29,504
Dividends to shareowner	(140,000)	(143,848)
Investment product deposits and change in universal life deposits	884,607	901,387
Investment product withdrawals	(512,323)	(551,597)
Other financing activities, net	(97)	0
Net cash provided by financing activities	138,973	380,948
Change in cash	55,414	61,195
Cash at beginning of period	252,310	348,182
Cash at end of period	$ 307,724	$ 409,377