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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%