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Borrowings - Schedule of Available Unused Lines of Credit (Parenthetical) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Debt Disclosure [Abstract] |  |
Federal Home Loan Bank, advances, general debt obligations, disclosures, collateral pledged | $ 74.2 | $ 68.2
Collateral exposure with FHLB in form of advances | 55.0 | 50.0
Collateral pledged in excess available to utilize additional credit | $ 19.2 | $ 18.2
Percentage par value allowed as collateral. | 100.00% |

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- Definition Amount of advances from the Federal Home Loan Bank (FHLB). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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