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Borrowings - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Debt Instrument [Line Items]    
Lendable collateral of loans $ 230,100,000  
Remaining credit available 605,900,000  
Subordinated debt 24,200,000 $ 24,200,000
Line of credit, current borrowing capacity 64,500,000  
Outstanding balance on line of credit 0  
Federal Reserve Bank of Atlanta    
Debt Instrument [Line Items]    
Line of credit, current borrowing capacity 98,300,000  
Outstanding balance on line of credit $ 0  
Subordinated Debt    
Debt Instrument [Line Items]    
Debt instrument, stated interest rate 5.25%  
Long-term debt $ 38,700,000 $ 39,200,000
Subordinated Debt | SOFR    
Debt Instrument [Line Items]    
Basis spread on variable rate 2.65%  
Subordinated Debt, Fixed Rate    
Debt Instrument [Line Items]    
Debt instrument, term 5 years  
Subordinated Debt, Variable Rate    
Debt Instrument [Line Items]    
Debt instrument, term 5 years  
Minimum | Federal Home Loan Bank Advances    
Debt Instrument [Line Items]    
Debt instrument, stated interest rate 3.69%  
Maximum | Federal Home Loan Bank Advances    
Debt Instrument [Line Items]    
Debt instrument, stated interest rate 5.47%