Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Investments:
Fixed maturities—available for sale, at fair value (amortized cost: 2019—$16,415,776; 2018—$15,753,471)	$ 18,907,147	$ 16,297,932
Policy loans	575,492	550,066
Other long-term investments (includes: 2019—$185,851; 2018—$108,241 under the fair value option)	326,347	207,258
Short-term investments	38,285	63,288
Total investments	19,847,271	17,118,544
Cash	75,933	121,026
Accrued investment income	245,129	243,003
Other receivables	441,662	415,157
Deferred acquisition costs	4,341,941	4,137,925
Goodwill	441,591	441,591
Other assets	583,933	549,899
Assets related to discontinued operations	0	68,577
Total assets	25,977,460	23,095,722
Liabilities:
Future policy benefits	14,508,134	13,953,826
Unearned and advance premiums	63,709	61,208
Policy claims and other benefits payable	365,402	350,826
Other policyholders' funds	96,282	97,459
Total policy liabilities	15,033,527	14,463,319
Current and deferred income taxes	1,476,832	1,047,737
Short-term debt	298,738	307,848
Long-term debt (estimated fair value: 2019—$1,473,364; 2018—$1,384,455)	1,348,988	1,357,185
Other liabilities	525,068	453,270
Liabilities related to discontinued operations	0	51,186
Total liabilities	18,683,153	17,680,545
Commitments and Contingencies (Note 6)
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—117,218,183 issued; 2018— 121,218,183 issued)	117,218	121,218
Additional paid-in-capital	531,554	524,414
Accumulated other comprehensive income (loss)	1,844,830	319,475
Retained earnings	5,551,329	5,213,468
Treasury stock, at cost: (2019—9,497,940 shares; 2018—10,525,147 shares)	(750,624)	(763,398)
Total shareholders' equity	7,294,307	5,415,177
Total liabilities and shareholders' equity	$ 25,977,460	$ 23,095,722