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Borrowings - Narrative (Details)
May 20, 2022
USD ($)
May 01, 2019
USD ($)
arrangement
Sep. 30, 2022
USD ($)
Dec. 31, 2021
USD ($)
Debt Instrument [Line Items]        
Lendable collateral of loans     $ 126,600,000  
Remaining credit available     585,600,000  
Number of borrowing arrangements entered into | arrangement   2    
Outstanding balance on line of credit     0  
Subordinated debt     24,200,000 $ 24,200,000
Line of credit, current borrowing capacity     64,500,000  
Federal Reserve Bank Advances        
Debt Instrument [Line Items]        
Short-term debt, borrowing capacity     0  
Term Note        
Debt Instrument [Line Items]        
Debt instrument, stated interest rate   4.70%    
Line of credit, maximum amount   $ 10,000,000    
Long-term debt     0  
Subordinated Debt        
Debt Instrument [Line Items]        
Debt instrument, stated interest rate 5.25%      
Line of credit, maximum amount $ 40,000,000      
Long-term debt     39,100,000  
Subordinated Debt | SOFR        
Debt Instrument [Line Items]        
Basis spread on variable rate 2.65%      
Revolving Credit Facility        
Debt Instrument [Line Items]        
Maximum borrowing capacity   $ 10,000,000    
Outstanding balance on line of credit     $ 0  
Revolving Credit Facility | Prime Rate        
Debt Instrument [Line Items]        
Basis spread on variable rate   0.40%    
Minimum | Federal Home Loan Bank Advances        
Debt Instrument [Line Items]        
Debt instrument, stated interest rate     2.95%  
Maximum | Federal Home Loan Bank Advances        
Debt Instrument [Line Items]        
Debt instrument, stated interest rate     2.07%