Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Investments:
Fixed maturities—available for sale, at fair value (amortized cost: 2024—$19,229,273; 2023—$18,924,914, allowance for credit losses: 2024— $7,132; 2023— $7,115)	$ 17,613,008	$ 17,870,206
Mortgage loans	343,492	279,199
Policy loans	676,077	657,020
Other long-term investments (includes: 2024—$915,665; 2023—$795,583 under the fair value option)	974,515	835,878
Short-term investments	100,560	81,740
Total investments	19,707,652	19,724,043
Cash	87,914	103,156
Accrued investment income	274,674	270,396
Other receivables	648,065	630,223
Deferred acquisition costs	6,260,294	6,009,477
Goodwill	481,791	481,791
Other assets	838,416	832,413
Total assets	28,298,806	28,051,499
Liabilities:
Future policy benefits	18,430,672	19,460,353
Unearned and advance premium	270,077	254,567
Policy claims and other benefits payable	526,126	514,875
Other policyholders' funds	400,625	236,958
Total policy liabilities	19,627,500	20,466,753
Current and deferred income taxes	684,543	494,639
Short-term debt	654,606	486,113
Long-term debt (estimated fair value: 2024—$1,376,196; 2023—$1,491,229)	1,630,396	1,629,559
Other liabilities	474,007	487,632
Total liabilities	23,071,052	23,564,696
Commitments and Contingencies (Note 5)
Shareholders' equity:
Preferred stock, par value $1 per share—5,000,000 shares authorized; outstanding: 0 in 2024 and 2023	0	0
Common stock, par value $1 per share—320,000,000 shares authorized; outstanding: (2024—102,218,183 issued; 2023—102,218,183 issued)	102,218	102,218
Additional paid-in-capital	534,028	532,474
Accumulated other comprehensive income (loss)	(2,189,620)	(2,772,419)
Retained earnings	7,943,415	7,478,813
Treasury stock, at cost: (2024—12,176,343 shares; 2023—8,426,854 shares)	(1,162,287)	(854,283)
Total shareholders' equity	5,227,754	4,486,803
Total liabilities and shareholders' equity	$ 28,298,806	$ 28,051,499