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FHLB Advances, Other Borrowings and Junior Subordinated Notes Payable (Narrative Disclosures) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Sep. 30, 2008
Sep. 26, 2008
Line of Credit Facility [Line Items]          
Fixed rate 10.50%       10.50%
Line of Credit $ 456,808,000 $ 413,527,000      
Line of credit commitment fee 13,000 13,000 $ 13,000    
Federal Home Loan Bank Advances Outstanding $ 456,808,000 $ 413,527,000      
Borrowed funds, interest rate during period 2.12% 1.86%      
Subordinated Borrowing [Line Items]          
Subordinated Debt $ 34,300,000        
Debt Issuance Costs, Net 659,000        
Variable Interest Entity          
Sole ownership of common securities issued by Trust II 315,000        
Junior subordinated notes 0 $ 10,076,000   $ 10,000,000  
Unamortized Debt Issuance Expense 293,000        
Financial Instruments Owned and Pledged as Collateral [Line Items]          
Total gross loans and leases receivable 2,443,215,000 2,240,931,000      
Maturity date August 15, 2029          
Subordinated Borrowing [Line Items]          
Subordinated Debt $ 15,000,000        
Subordinated Borrowing, Interest Rate 5.50%        
2022 Subordinated Debt Issuance          
Subordinated Borrowing [Line Items]          
Subordinated Debt $ 20,000,000        
Subordinated Borrowing, Interest Rate 3.50%        
Debt Issuance Costs, Net $ 409,000        
2017 Subordinated Debt Issuance          
Subordinated Borrowing [Line Items]          
Subordinated Debt $ 9,100,000        
Subordinated Borrowing, Interest Rate 6.00%        
FHLB advances and other borrowings          
Financial Instruments Owned and Pledged as Collateral [Line Items]          
Total gross loans and leases receivable $ 1,059,000,000.000 1,305,000,000      
FHLB advances and other borrowings          
Line of Credit Facility [Line Items]          
Senior line of credit with a third-party financial institution 600,800,000        
Line of Credit 416,400,000 368,800,000      
Federal Home Loan Bank line of credit maximum available 600,800,000        
Federal Home Loan Bank unused line remaining 184,400,000        
Federal Home Loan Bank Advances Outstanding $ 416,400,000 $ 368,800,000      
FHLB advances and other borrowings | Minimum          
Line of Credit Facility [Line Items]          
Fixed rate 0.31% 0.00%      
FHLB advances and other borrowings | Maximum          
Line of Credit Facility [Line Items]          
Fixed rate 4.69% 2.51%      
Line of credit          
Line of Credit Facility [Line Items]          
Senior line of credit with a third-party financial institution $ 10,500,000        
Line of Credit 0        
Federal Home Loan Bank line of credit maximum available 10,500,000        
Federal Home Loan Bank Advances Outstanding $ 0        
Line of credit | SOFR          
Line of Credit Facility [Line Items]          
Debt instrument, basis spread on variable rate 2.36%        
Other borrowings          
Line of Credit Facility [Line Items]          
Line of Credit $ 6,100,000        
Federal Home Loan Bank Advances Outstanding $ 6,100,000        
Trust II          
Line of Credit Facility [Line Items]          
Fixed rate         10.50%
Variable Interest Entity          
Trust preferred securities         $ 10,000,000
Sole ownership of common securities issued by Trust II         $ 315,000