Deferred Acquisition Costs - Schedule of Analysis of Deferred Acquisition Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	$ 6,495,589	$ 6,009,477
Amortization expense	(447,760)	(410,001)	$ (379,700)
Ending Balance	6,999,136	6,495,589	6,009,477
Life
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	5,700,755	5,271,775	4,844,291
Capitalizations	824,422	801,893	751,704
Amortization expense	(386,450)	(356,223)	(327,426)
Foreign exchange adjustment	9,023	(16,690)	3,206
Ending Balance	6,147,750	5,700,755	5,271,775
Life | American Income
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	2,900,229	2,573,370	2,258,291
Capitalizations	546,709	524,980	471,771
Amortization expense	(207,054)	(181,431)	(159,898)
Foreign exchange adjustment	9,023	(16,690)	3,206
Ending Balance	3,248,907	2,900,229	2,573,370
Life | DTC
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	1,781,230	1,737,117	1,676,931
Capitalizations	140,809	145,538	159,650
Amortization expense	(103,919)	(101,425)	(99,464)
Foreign exchange adjustment	0	0	0
Ending Balance	1,818,120	1,781,230	1,737,117
Life | Liberty National
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	728,790	666,419	610,723
Capitalizations	124,461	119,203	107,230
Amortization expense	(62,264)	(56,832)	(51,534)
Foreign exchange adjustment	0	0	0
Ending Balance	790,987	728,790	666,419
Life | Other
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	290,506	294,869	298,346
Capitalizations	12,443	12,172	13,053
Amortization expense	(13,213)	(16,535)	(16,530)
Foreign exchange adjustment	0	0	0
Ending Balance	289,736	290,506	294,869
Health
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	793,421	734,735	686,763
Capitalizations	117,500	111,651	98,465
Amortization expense	(59,897)	(52,224)	(50,598)
Foreign exchange adjustment	362	(741)	105
Ending Balance	851,386	793,421	734,735
Health | United American
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	70,530	73,489	77,394
Capitalizations	2,852	2,608	1,941
Amortization expense	(5,430)	(5,567)	(5,846)
Foreign exchange adjustment	0	0	0
Ending Balance	67,952	70,530	73,489
Health | Family Heritage
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	496,119	452,843	416,608
Capitalizations	80,747	70,311	63,366
Amortization expense	(33,487)	(27,035)	(27,131)
Foreign exchange adjustment	0	0	0
Ending Balance	543,379	496,119	452,843
Health | American Income
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	76,319	66,783	57,811
Capitalizations	14,949	14,955	12,849
Amortization expense	(5,184)	(4,678)	(3,982)
Foreign exchange adjustment	362	(741)	105
Ending Balance	86,446	76,319	66,783
Health | DTC
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	1,533	1,679	1,854
Capitalizations	1	2	0
Amortization expense	(135)	(148)	(175)
Foreign exchange adjustment	0	0	0
Ending Balance	1,399	1,533	1,679
Health | Liberty National
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	148,920	139,941	133,096
Capitalizations	18,951	23,775	20,309
Amortization expense	(15,661)	(14,796)	(13,464)
Foreign exchange adjustment	0	0	0
Ending Balance	$ 152,210	$ 148,920	$ 139,941