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Borrowings - Schedule of Available Unused Lines of Credit (Parenthetical) (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Debt Disclosure [Abstract] |  |
Federal Home Loan Bank, advances, general debt obligations, disclosures, collateral pledged | $ 71.0 | $ 68.2
Collateral exposure with FHLB in form of advances | 60.0 | 50.0
Collateral pledged in excess available to utilize additional credit | $ 11.0 | $ 18.2
Percentage par value allowed as collateral. | 100.00% |

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