Policy Liabilities - Schedule of Weighted Average Duration of Liability For Future Policy Benefits (Details)	Jun. 30, 2024	Jun. 30, 2023
American Income | Life
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	23 years 10 days	22 years 10 months 28 days
At current discount rates	23 years 2 months 1 day	23 years 5 months 12 days
American Income | Health
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	12 years 4 months 6 days	12 years 1 month 13 days
At current discount rates	12 years 6 months 18 days	12 years 8 months 23 days
DTC | Life
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	19 years 5 months 8 days	20 years 1 month 13 days
At current discount rates	20 years 7 months 28 days	21 years 9 months 21 days
DTC | Health
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	11 years 7 months 2 days	11 years 4 months 13 days
At current discount rates	10 years 7 months 20 days	10 years 9 months 14 days
Liberty National | Life
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	15 years 2 months 19 days	14 years 11 months 19 days
At current discount rates	15 years 4 months 24 days	15 years 8 months 8 days
Liberty National | Health
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	9 years 3 months 3 days	9 years 4 months 2 days
At current discount rates	9 years 3 months 3 days	9 years 8 months 4 days
Other premium | Life
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	16 years 1 month 6 days	16 years 5 months 8 days
At current discount rates	17 years 2 months 23 days	18 years 2 months 8 days
United American | Health
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	11 years 7 months 2 days	11 years 4 months 13 days
At current discount rates	10 years 7 months 20 days	10 years 9 months 14 days
Family Heritage | Health
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	15 years 1 month 28 days	14 years 10 months 13 days
At current discount rates	14 years 2 months 15 days	14 years 4 months 28 days