Life Policy and Investment Contract Reserves (Narrative) (Details) - USD ($) |
9 Months Ended | |
|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Life policy reserves: | ||
| Liability for Future Policy Benefit, after Reinsurance [Abstract] | ||
| Discount Rate Assumption Changes included in Impact of flooring at Cohort Level | $ 1,000,000 | $ 2,000,000 |
| Life Insurance Segment | ||
| Liability for Future Policy Benefit, after Reinsurance [Abstract] | ||
| Liability for Future Policy Benefit, Adverse Development, Expense | $ 0 | $ 0 |