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Commitments and Contingencies - Narrative (Details)
$ in Millions
Dec. 31, 2023
USD ($)
letter_of_credit
Dec. 31, 2022
USD ($)
letter_of_credit
Lending-related Commitments    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Reserve for lending related commitments $ 4.7 $ 4.6
Letter of credit | FHLB    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Number of instruments | letter_of_credit 31 28
Maximum borrowing capacity $ 693.6 $ 277.4