Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Investments:
Fixed maturities—available for sale, at fair value (amortized cost: 2019—$16,209,723; 2018—$15,753,471)	$ 18,797,674	$ 16,297,932
Policy loans	568,892	550,066
Other long-term investments (includes: 2019—$184,466; 2018—$108,241 under the fair value option)	315,535	207,258
Short-term investments	77,556	63,288
Total investments	19,759,657	17,118,544
Cash	66,675	121,026
Accrued investment income	253,125	243,003
Other receivables	432,236	415,157
Deferred acquisition costs	4,281,018	4,137,925
Goodwill	441,591	441,591
Other assets	557,604	549,899
Assets related to discontinued operations	0	68,577
Total assets	25,791,906	23,095,722
Liabilities:
Future policy benefits	14,358,592	13,953,826
Unearned and advance premium	62,586	61,208
Policy claims and other benefits payable	351,729	350,826
Other policyholders' funds	95,875	97,459
Total policy liabilities	14,868,782	14,463,319
Current and deferred income taxes	1,498,025	1,047,737
Short-term debt	233,314	307,848
Long-term debt (estimated fair value: 2019—$1,466,868; 2018—$1,384,455)	1,351,190	1,357,185
Other liabilities	528,064	453,270
Liabilities related to discontinued operations	0	51,186
Total liabilities	18,479,375	17,680,545
Commitments and Contingencies (Note 5)
Shareholders' equity:
Preferred stock, par value $1 per share—5,000,000 shares authorized; outstanding: 0 in 2019 and 2018	0	0
Common stock, par value $1 per share—320,000,000 shares authorized; outstanding: (2019—121,218,183 issued; 2018— 121,218,183 issued)	121,218	121,218
Additional paid-in-capital	538,051	524,414
Accumulated other comprehensive income (loss)	1,943,124	319,475
Retained earnings	5,686,636	5,213,468
Treasury stock, at cost: (2019—12,773,862 shares; 2018—10,525,147 shares)	(976,498)	(763,398)
Total shareholders' equity	7,312,531	5,415,177
Total liabilities and shareholders' equity	$ 25,791,906	$ 23,095,722