Policy Liabilities - Schedule of Weighted Average Duration of Liability For Future Policy Benefits (Details)	Jun. 30, 2023	Jun. 30, 2022
American Income | Life
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	22 years 10 months 28 days	22 years 10 months 17 days
At current discount rates	23 years 5 months 12 days	23 years 6 months
American Income | Health
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	12 years 1 month 13 days	12 years 6 months 3 days
At current discount rates	12 years 8 months 23 days	13 years 3 months
DTC | Life
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	20 years 1 month 13 days	20 years 9 months 10 days
At current discount rates	21 years 9 months 21 days	22 years 6 months 3 days
DTC | Health
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	11 years 4 months 13 days	11 years 8 months 26 days
At current discount rates	10 years 9 months 14 days	11 years 2 months 23 days
Liberty National | Life
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	14 years 11 months 19 days	15 years 1 month 9 days
At current discount rates	15 years 8 months 8 days	16 years 1 month 2 days
Liberty National | Health
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	9 years 4 months 2 days	9 years 7 days
At current discount rates	9 years 8 months 4 days	9 years 6 months 7 days
Other | Life
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	16 years 5 months 8 days	16 years 8 months 12 days
At current discount rates	18 years 2 months 8 days	18 years 9 months 3 days
United American | Health
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	11 years 4 months 13 days	11 years 8 months 26 days
At current discount rates	10 years 9 months 14 days	11 years 2 months 23 days
Family Heritage | Health
Liability for Future Policy Benefit, Activity [Line Items]
At original discount rates	14 years 10 months 13 days	15 years 4 months 9 days
At current discount rates	14 years 4 months 28 days	15 years