Policy Liabilities - Schedule of Liability For Future Policy Benefits To Consolidated Income Statement (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Life
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	$ 3,347,169	$ 3,243,732	$ 3,118,237
Interest Expense	796,994	761,823	722,618
Life | American Income
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	1,790,023	1,696,918	1,587,304
Interest Expense	289,491	272,007	252,277
Life | Direct to Consumer
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	970,233	977,302	979,739
Interest Expense	190,793	181,470	170,745
Life | Liberty National
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	387,167	367,278	345,196
Interest Expense	124,370	122,727	120,083
Life | Other
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	199,746	202,234	205,998
Interest Expense	192,340	185,619	179,513
Health
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	1,287,307	1,189,092	1,113,028
Interest Expense	114,145	110,573	106,684
Health | United American
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	493,272	439,125	401,834
Interest Expense	3,133	5,739	7,002
Health | Family Heritage
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	468,063	427,640	396,211
Interest Expense	78,425	71,900	65,892
Health | American Income
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	119,209	117,644	113,605
Interest Expense	7,457	6,790	6,542
Health | Direct to Consumer
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	17,073	15,033	14,283
Interest Expense	0	0	0
Health | Liberty National
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	189,690	189,650	187,095
Interest Expense	$ 25,130	$ 26,144	$ 27,248