Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Investments:
Fixed maturities—available for sale, at fair value (amortized cost: 2023—$18,914,693; 2022—$18,301,692, allowance for credit losses: 2023— $7,500; 2022— $0)	$ 16,260,034	$ 16,503,365
Policy loans	644,553	614,866
Other long-term investments (includes: 2023—$782,210; 2022—$768,689 under the fair value option)	1,050,106	976,016
Short-term investments	83,934	114,121
Total investments	18,038,627	18,208,368
Cash	85,546	92,559
Accrued investment income	284,642	259,581
Other receivables	616,881	589,079
Deferred acquisition costs	5,889,293	5,535,697
Goodwill	481,791	481,791
Other assets	769,247	760,066
Total assets	26,166,027	25,927,141
Liabilities:
Future policy benefits at current discount rates: (at original rates: 2023—$16,757,558; 2022—$16,306,870)	17,218,098	18,040,042
Unearned and advance premium	260,843	253,140
Policy claims and other benefits payable	503,072	507,219
Other policyholders' funds	218,210	123,236
Total policy liabilities	18,200,223	18,923,637
Current and deferred income taxes	554,853	434,649
Short-term debt	447,537	449,103
Long-term debt (estimated fair value: 2023—$1,586,674; 2022—$1,440,277)	1,798,583	1,627,952
Other liabilities	541,700	542,223
Total liabilities	21,542,896	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	543,693	529,661
Accumulated other comprehensive income (loss)	(2,458,974)	(2,790,313)
Retained earnings	7,519,893	6,894,535
Treasury stock, at cost: (2023—10,952,084 shares; 2022—8,478,288 shares)	(1,086,699)	(789,524)
Total shareholders' equity	4,623,131	3,949,577
Total liabilities and shareholders' equity	$ 26,166,027	$ 25,927,141