Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Investments:
Fixed maturities—available for sale, at fair value (amortized cost: 2024—$19,084,454; 2023—$18,924,914, allowance for credit losses: 2024— $7,132; 2023— $7,115)	$ 18,334,570	$ 17,870,206
Mortgage loans	381,315	279,199
Policy loans	691,072	657,020
Other long-term investments (includes: 2024—$979,397; 2023—$795,583 under the fair value option)	1,221,888	835,878
Short-term investments	100,501	81,740
Total investments	20,729,346	19,724,043
Cash	134,549	103,156
Accrued investment income	284,952	270,396
Other receivables	651,871	630,223
Deferred acquisition costs	6,386,682	6,009,477
Goodwill	490,446	481,791
Other assets	878,974	832,413
Total assets	29,556,820	28,051,499
Liabilities:
Future policy benefits	19,814,913	19,460,353
Unearned and advance premium	264,644	254,567
Policy claims and other benefits payable	530,399	514,875
Other policyholders' funds	469,288	236,958
Total policy liabilities	21,079,244	20,466,753
Current and deferred income taxes	619,970	494,639
Short-term debt	437,418	486,113
Long-term debt (estimated fair value: 2024—$2,202,644; 2023—$1,491,229)	2,323,676	1,629,559
Other liabilities	457,887	487,632
Total liabilities	24,918,195	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	543,255	532,474
Accumulated other comprehensive income (loss)	(2,484,743)	(2,772,419)
Retained earnings	8,225,030	7,478,813
Treasury stock, at cost: (2024—17,942,902 shares; 2023—8,426,854 shares)	(1,747,135)	(854,283)
Total shareholders' equity	4,638,625	4,486,803
Total liabilities and shareholders' equity	$ 29,556,820	$ 28,051,499