Policy Liabilities - Schedule of Liability For Future Policy Benefits To Consolidated Income Statement (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Life
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	$ 3,243,732	$ 3,118,237	$ 3,007,853
Interest expense	761,823	722,618	684,691
Health
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	1,189,092	1,113,028	1,059,694
Interest expense	110,573	106,684	102,400
American Income | Life
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	1,696,918	1,587,304	1,503,537
Interest expense	272,007	252,277	234,098
American Income | Health
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	117,644	113,605	111,623
Interest expense	6,790	6,542	6,408
Direct to Consumer | Life
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	977,302	979,739	973,429
Interest expense	181,470	170,745	159,945
Direct to Consumer | Health
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	15,033	14,283	14,290
Interest expense	0	0	0
Liberty National | Life
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	367,278	345,196	322,497
Interest expense	122,727	120,083	117,681
Liberty National | Health
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	189,650	187,095	186,268
Interest expense	26,144	27,248	28,477
Other premium | Life
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	202,234	205,998	208,390
Interest expense	185,619	179,513	172,967
United American | Health
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	439,125	401,834	380,710
Interest expense	5,739	7,002	7,532
Family Heritage | Health
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	427,640	396,211	366,803
Interest expense	$ 71,900	$ 65,892	$ 59,983