Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Investments:
Fixed maturities—available for sale, at fair value (amortized cost: 2023—$18,687,479; 2022—$18,301,692, allowance for credit losses: 2023— $72,508; 2022— $0)	$ 17,033,450	$ 16,503,365
Policy loans	633,558	614,866
Other long-term investments (includes: 2023—$759,157; 2022—$768,689 under the fair value option)	1,010,136	976,016
Short-term investments	71,128	114,121
Total investments	18,748,272	18,208,368
Cash	75,011	92,559
Accrued investment income	267,776	259,581
Other receivables	601,787	589,079
Deferred acquisition costs	5,778,732	5,535,697
Goodwill	481,791	481,791
Other assets	754,589	760,066
Total assets	26,707,958	25,927,141
Liabilities:
Future policy benefits at current discount rates: (at original rates: 2023—$16,598,663; 2022—$16,306,870)	18,746,514	18,040,042
Unearned and advance premium	266,710	253,140
Policy claims and other benefits payable	510,929	507,219
Other policyholders' funds	187,873	123,236
Total policy liabilities	19,712,026	18,923,637
Current and deferred income taxes	404,480	434,649
Short-term debt	258,232	449,103
Long-term debt (estimated fair value: 2023—$1,633,248; 2022—$1,440,277)	1,798,117	1,627,952
Other liabilities	554,797	542,223
Total liabilities	22,727,652	21,977,564
Commitments and Contingencies (Note 5)
Shareholders' equity:
Preferred stock, par value $1 per share—5,000,000 shares authorized; outstanding: 0 in 2023 and 2022	0	0
Common stock, par value $1 per share—320,000,000 shares authorized; outstanding: (2023—105,218,183 issued; 2022—105,218,183 issued)	105,218	105,218
Additional paid-in-capital	536,126	529,661
Accumulated other comprehensive income (loss)	(2,943,897)	(2,790,313)
Retained earnings	7,285,809	6,894,535
Treasury stock, at cost: (2023—10,225,970 shares; 2022—8,478,288 shares)	(1,002,950)	(789,524)
Total shareholders' equity	3,980,306	3,949,577
Total liabilities and shareholders' equity	$ 26,707,958	$ 25,927,141