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Borrowings - Other (Details) - FHLB Advances - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
Mar. 22, 2024 | Mar. 31, 2024
Borrowings |  |
Outstanding balance |  | $ 500.0
Basis spread on variable rate (as a percent) |  | 0.10%
FHLB advances interest rate |  | 5.43%
FHLB has an option to cancel the agreement | 60 days |
Number of days prior notice required for cancellation of debt agreement. | 1 day |

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