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Reserve for Future Policy Benefits and Contractholder Funds - Schedule of Key Assumptions used in Calculating the Reserve for Future Policy Benefits (Details) | Jun. 30, 2024 | Jun. 30, 2023
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Accident and health insurance |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |
Weighted-average duration (in years) | 8 years | 3 years 10 months 24 days
Weighted-average interest rates |  |
Interest accretion rate (discount rate at contract issuance) | 5.04% | 5.08%
Current discount rate (upper-medium grade fixed income yield) | 5.26% | 4.79%
Traditional life |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |
Weighted-average duration (in years) | 15 years 1 month 6 days | 14 years
Weighted-average interest rates |  |
Interest accretion rate (discount rate at contract issuance) | 5.37% | 5.46%
Current discount rate (upper-medium grade fixed income yield) | 5.35% | 5.14%

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