Policy Liabilities - Schedule of Weighted Average Interest Rate of Liability For Future Policy Benefits (Details)	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Life | American Income
Liability for Future Policy Benefit, Activity [Line Items]
Original discount rate	5.70%	5.70%	5.70%
Current discount rate	5.40%	5.40%	4.90%
Life | DTC
Liability for Future Policy Benefit, Activity [Line Items]
Original discount rate	6.00%	6.00%	6.00%
Current discount rate	5.40%	5.50%	5.00%
Life | Liberty National
Liability for Future Policy Benefit, Activity [Line Items]
Original discount rate	5.60%	5.60%	5.60%
Current discount rate	5.40%	5.50%	5.00%
Life | Other
Liability for Future Policy Benefit, Activity [Line Items]
Original discount rate	6.20%	6.20%	6.20%
Current discount rate	5.50%	5.50%	5.00%
Health | United American
Liability for Future Policy Benefit, Activity [Line Items]
Original discount rate	5.10%	5.10%	5.10%
Current discount rate	5.20%	5.20%	4.80%
Health | Family Heritage
Liability for Future Policy Benefit, Activity [Line Items]
Original discount rate	4.20%	4.20%	4.30%
Current discount rate	5.30%	5.30%	4.90%
Health | American Income
Liability for Future Policy Benefit, Activity [Line Items]
Original discount rate	5.80%	5.80%	5.80%
Current discount rate	5.20%	5.20%	4.80%
Health | DTC
Liability for Future Policy Benefit, Activity [Line Items]
Original discount rate	5.10%	5.10%	5.10%
Current discount rate	5.20%	5.20%	4.80%
Health | Liberty National
Liability for Future Policy Benefit, Activity [Line Items]
Original discount rate	5.80%	5.80%	5.80%
Current discount rate	5.20%	5.40%	4.90%