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Borrowings - Schedule of Available Unused Lines of Credit (Parenthetical) (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Debt Disclosure [Abstract]    
Federal Home Loan Bank, advances, general debt obligations, disclosures, collateral pledged $ 78.3 $ 66.6
Collateral exposure with FHLB in form of advances 70.0 40.0
Collateral pledged in excess available to utilize additional credit $ 8.3 $ 26.6