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Borrowings, Line of Credit and Subordinated Debt - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Securities sold under agreements to repurchase $ 3,849   $ 5,078
Securities sold under agreements to repurchase, average balance 4,800 $ 4,400  
Securities sold under agreements to repurchase, maximum month-end balance 5,300 $ 4,200  
Borrowings 9,800   13,100
Loan and Security Agreement and Revolving Line of Credit [Member]      
Principal amount 35,000    
Asset Pledged as Collateral [Member] | US Government-sponsored Enterprises Debt Securities [Member]      
Carrying value of securities pledged as collateral $ 7,400   $ 7,600
Maximum [Member]      
Securities sold under agreements to repurchase, maturity period 4 days    
Minimum [Member]      
Securities sold under agreements to repurchase, maturity period 1 day    
Revolving Credit Facility [Member]      
Outstanding borrowings $ 6,000    
Line of Credit Facility, Remaining Borrowing Capacity $ 29,000