Investments Federal Home Loan Bank Carrying Amount, Collateral Posted and Advances Received (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Federal Home Loan Bank Carrying Value of Common Stock, Collateral Posted and Advances | ||
| Federal Home Loan Bank Common Stock | $ 45.3 | $ 40.7 |
| Federal Home Loan Bank, Advances | 699.2 | 643.8 |
| Federal Home Loan Bank, Collateral Posted to FHLB | 1,915.3 | 1,862.6 |
| Fixed Maturity Securities | ||
| Federal Home Loan Bank Carrying Value of Common Stock, Collateral Posted and Advances | ||
| Federal Home Loan Bank, Collateral Posted to FHLB | 798.1 | 752.4 |
| Commercial Mortgage Loans | ||
| Federal Home Loan Bank Carrying Value of Common Stock, Collateral Posted and Advances | ||
| Federal Home Loan Bank, Collateral Posted to FHLB | $ 1,117.2 | $ 1,110.2 |