Deferred Acquisition Costs - Schedule of Analysis of Deferred Acquisition Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance			$ 6,495,589
Amortization expense	$ (114,074)	$ (104,310)	(330,990)	$ (305,703)
Ending Balance	6,872,342	6,386,682	6,872,342	6,386,682
Life
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	5,931,048	5,495,593	5,700,755	5,271,775
Capitalizations	206,177	198,352	613,483	601,564
Amortization expense	(98,583)	(90,070)	(285,417)	(263,753)
Foreign exchange adjustment	(3,086)	3,854	6,735	(1,857)
Ending Balance	6,035,556	5,607,729	6,035,556	5,607,729
Life | American Income
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	3,078,370	2,740,138	2,900,229	2,573,370
Capitalizations	136,757	131,851	405,232	391,707
Amortization expense	(52,577)	(46,033)	(152,732)	(133,410)
Foreign exchange adjustment	(3,086)	3,854	6,735	(1,857)
Ending Balance	3,159,464	2,829,810	3,159,464	2,829,810
Life | DTC
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	1,803,138	1,765,673	1,781,230	1,737,117
Capitalizations	35,007	33,222	108,408	112,198
Amortization expense	(26,111)	(25,478)	(77,604)	(75,898)
Foreign exchange adjustment	0	0	0	0
Ending Balance	1,812,034	1,773,417	1,812,034	1,773,417
Life | Liberty National
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	757,696	696,905	728,790	666,419
Capitalizations	31,266	30,255	90,524	88,355
Amortization expense	(15,719)	(14,427)	(46,071)	(42,041)
Foreign exchange adjustment	0	0	0	0
Ending Balance	773,243	712,733	773,243	712,733
Life | Other
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	291,844	292,877	290,506	294,869
Capitalizations	3,147	3,024	9,319	9,304
Amortization expense	(4,176)	(4,132)	(9,010)	(12,404)
Foreign exchange adjustment	0	0	0	0
Ending Balance	290,815	291,769	290,815	291,769
Health
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	823,082	762,523	793,421	734,735
Capitalizations	28,658	28,309	87,238	83,256
Amortization expense	(15,137)	(13,852)	(44,497)	(40,774)
Foreign exchange adjustment	(154)	182	287	(55)
Ending Balance	836,449	777,162	836,449	777,162
Health | American Income
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	81,545	71,589	76,319	66,783
Capitalizations	3,565	3,817	10,968	11,097
Amortization expense	(1,284)	(1,189)	(3,902)	(3,426)
Foreign exchange adjustment	(154)	182	287	(55)
Ending Balance	83,672	74,399	83,672	74,399
Health | DTC
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	1,459	1,608	1,533	1,679
Capitalizations	1	0	1	2
Amortization expense	(32)	(37)	(106)	(110)
Foreign exchange adjustment	0	0	0	0
Ending Balance	1,428	1,571	1,428	1,571
Health | Liberty National
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	152,822	145,097	148,920	139,941
Capitalizations	3,753	5,589	15,474	18,033
Amortization expense	(3,945)	(3,715)	(11,764)	(11,003)
Foreign exchange adjustment	0	0	0	0
Ending Balance	152,630	146,971	152,630	146,971
Health | United American
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	69,073	71,975	70,530	73,489
Capitalizations	878	780	2,230	2,069
Amortization expense	(1,335)	(1,394)	(4,144)	(4,197)
Foreign exchange adjustment	0	0	0	0
Ending Balance	68,616	71,361	68,616	71,361
Health | Family Heritage
Movement Analysis of Deferred Policy Acquisition Costs
Beginning Balance	518,183	472,254	496,119	452,843
Capitalizations	20,461	18,123	58,565	52,055
Amortization expense	(8,541)	(7,517)	(24,581)	(22,038)
Foreign exchange adjustment	0	0	0	0
Ending Balance	$ 530,103	$ 482,860	$ 530,103	$ 482,860