Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Fixed maturity securities:
Available for sale, at fair value (amortized cost: 2015 - $32,692,702; 2014 - $30,205,046)	$ 33,905,869	$ 32,445,202
Held for investment, at amortized cost (fair value: 2015 - $65,705; 2014 - $75,838)	76,526	76,432
Equity securities, available for sale, at fair value (cost: 2015 - $7,512; 2014 - $7,509)	7,861	7,805
Mortgage loans on real estate	2,450,676	2,434,580
Derivative instruments	503,953	731,113
Other investments	285,743	286,726
Total investments	37,230,628	35,981,858
Cash and cash equivalents	733,814	701,514
Coinsurance deposits	3,101,189	3,044,342
Accrued investment income	343,172	326,559
Deferred policy acquisition costs	2,522,277	2,058,556
Deferred sales inducements	1,944,619	1,587,257
Deferred income taxes	172,114	0
Income taxes recoverable	21,888	9,252
Other assets	177,781	280,396
Total assets	46,247,482	43,989,734
Liabilities:
Policy benefit reserves	42,494,314	39,802,861
Other policy funds and contract claims	342,878	365,819
Notes payable	422,163	421,679
Subordinated debentures	246,345	246,243
Deferred income taxes	0	3,895
Other liabilities	834,020	1,009,361
Total liabilities	44,339,720	41,849,858
Stockholders' equity:
Preferred stock, par value $1 per share, 2,000,000 shares authorized, 2015 and 2014 - no shares issued and outstanding	0	0
Common stock, par value $1 per share, 200,000,000 shares authorized; issued and outstanding: 2015 - 76,793,577 shares (excluding 3,620,484 treasury shares); 2014 - 76,062,407 shares (excluding 4,126,167 treasury shares)	76,794	76,062
Additional paid-in capital	524,246	513,218
Accumulated other comprehensive income	388,779	721,401
Retained earnings	917,943	829,195
Total stockholders' equity	1,907,762	2,139,876
Total liabilities and stockholders' equity	$ 46,247,482	$ 43,989,734