CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets
Fixed maturity securities available-for-sale, at fair value (amortized cost $35,233,970 and $35,281,412)	$ 36,784,954	$ 38,150,820
Equity Securities, FV-NI	108,070	100,152
Mortgage loans on real estate (net of allowances of $9,706 and $9,384)	4,558,669	4,400,533
Policy loans	1,339,252	1,357,624
Funds withheld at interest	5,981,092	6,083,388
Short-term investments	123,028	93,304
Other invested assets	1,605,562	1,505,332
Total investments	50,500,627	51,691,153
Cash and cash equivalents	1,397,679	1,303,524
Accrued investment income	400,160	392,721
Premiums receivable and other reinsurance balances	2,617,382	2,338,481
Reinsurance ceded receivables	789,429	782,027
Deferred policy acquisition costs	3,205,667	3,239,824
Other assets	855,553	767,088
Total assets	59,766,497	60,514,818
Liabilities and Stockholders’ Equity
Future policy benefits	22,286,622	22,363,241
Interest-sensitive contract liabilities	16,513,668	16,227,642
Other policy claims and benefits	5,334,210	4,992,074
Other reinsurance balances	412,846	488,739
Deferred income taxes	2,009,514	2,198,309
Other liabilities	1,094,826	1,102,975
Long-term debt	2,788,111	2,788,365
Collateral finance and securitization notes	724,998	783,938
Total liabilities	51,164,795	50,945,283
Commitments and contingent liabilities (See Note 8)
Stockholders’ Equity:
Preferred stock - par value $.01 per share, 10,000,000 shares authorized, no shares issued or outstanding	0	0
Common stock - par value $.01 per share, 140,000,000 shares authorized, 79,137,758 shares issued at June 30, 2018 and December 31, 2017	791	791
Additional paid-in capital	1,887,336	1,870,906
Retained earnings	6,952,170	6,736,265
Treasury stock, at cost - 15,465,272 and 14,685,663 shares	(1,243,566)	(1,102,058)
Accumulated other comprehensive income	1,004,971	2,063,631
Total stockholders’ equity	8,601,702	9,569,535
Total liabilities and stockholders’ equity	$ 59,766,497	$ 60,514,818