Policy Liabilities - Schedule of Liability For Future Policy Benefits To Consolidated Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Life
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	$ 848,999	$ 825,533
Interest Expense	204,363	196,294
Life \| American Income
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	458,881	437,449
Interest Expense	75,200	70,993
Life \| Direct to Consumer
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	241,611	242,870
Interest Expense	49,008	46,967
Life \| Liberty National
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	99,144	95,300
Interest Expense	31,188	31,049
Life \| Other
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	49,363	49,914
Interest Expense	48,967	47,285
Health
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	344,453	310,393
Interest Expense	29,012	28,332
Health \| United American
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	139,041	116,396
Interest Expense	420	1,049
Health \| Family Heritage
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	123,139	112,354
Interest Expense	20,558	19,116
Health \| American Income
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	29,801	29,754
Interest Expense	1,951	1,812
Health \| Direct to Consumer
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	5,041	4,136
Interest Expense	0	0
Health \| Liberty National
Liability for Future Policy Benefit, Activity [Line Items]
Gross Premiums	47,431	47,753
Interest Expense	$ 6,083	$ 6,355