CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Fixed maturity securities:
Available-for-sale at fair value (amortized cost of $30,540,567 and $30,211,787)	$ 32,694,793	$ 32,093,625
Mortgage loans on real estate (net of allowances of $7,786 and $7,685)	3,871,309	3,775,522
Policy loans	1,402,940	1,427,602
Funds withheld at interest	5,943,450	5,875,919
Short-term investments	54,288	76,710
Other invested assets	1,429,175	1,591,940
Total investments	45,395,955	44,841,318
Cash and cash equivalents	1,178,114	1,200,718
Accrued investment income	360,225	347,173
Premiums receivable and other reinsurance balances	2,008,409	1,930,755
Reinsurance ceded receivables	760,715	683,972
Deferred policy acquisition costs	3,300,548	3,338,605
Other assets	801,854	755,338
Total assets	53,805,820	53,097,879
Liabilities and Stockholders’ Equity
Future policy benefits	19,832,483	19,581,573
Interest-sensitive contract liabilities	14,039,919	14,029,354
Other policy claims and benefits	4,649,192	4,263,026
Other reinsurance balances	390,019	388,989
Deferred income taxes	2,863,744	2,770,640
Other liabilities	996,288	1,041,880
Long-term debt	2,788,619	3,088,635
Collateral finance and securitization notes	825,526	840,700
Total liabilities	46,385,790	46,004,797
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 March 31, 2017 and December 31, 2016	791	791
Additional paid-in-capital	1,858,226	1,848,611
Retained earnings	5,329,464	5,199,130
Treasury stock, at cost - 14,749,207 and 14,835,256 shares	(1,089,606)	(1,094,779)
Accumulated other comprehensive income	1,321,155	1,139,329
Total stockholders’ equity	7,420,030	7,093,082
Total liabilities and stockholders’ equity	$ 53,805,820	$ 53,097,879