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Junior Subordinated Deferrable Interest Debentures (Details)
 3 Months Ended 9 Months Ended
Sep. 15, 2022
USD ($)
Nov. 12, 2021
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
quarter
$ / security
Sep. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Debt Instrument [Line Items]              
Percentage of Trust Preferred Securities eligible as Tier 1 capital         25.00%    
Spread on LIBOR         (1.60%)    
Redemption period         90 days    
Percentage of notes outstanding required to call payment         25.00%    
Number of consecutive quarterly periods of nonpayment required to call notes | quarter         20    
Liquidation value per security | $ / security         1,000    
Interest expense for the period     $ 97,000 $ 65,000 $ 267,000 $ 112,000  
Debt instrument, interest rate, stated percentage     7.12%   7.12%    
Prepayment penalty fee, percentage 2.00%            
Debt instrument, convertible, remaining discount amortization period 12 years            
Debt instrument, initial interest payment term 3 years            
Debt instrument, principal and interest payment term 6 years 9 months            
Interest Expense     $ 5,939,000 828,000 $ 14,283,000 2,068,000  
Prime Rate              
Debt Instrument [Line Items]              
Spread on LIBOR 0.50%            
Subordinated Debt              
Debt Instrument [Line Items]              
Spread on LIBOR   (2.10%)          
Aggregate Principal Amount Junior Subordinated Notes   $ 35,000,000          
Debt instrument, interest rate, stated percentage   0.03125%          
Subordinated debentures     69,708,000   69,708,000   $ 69,599,000
Junior Subordinated Notes, Noncurrent     5,155,000   5,155,000   5,155,000
Debt Issuance Costs, Net     (447,000)   (447,000)   (556,000)
Interest Expense     310,000 $ 310,000 929,000 $ 929,000  
Subordinated Debt | Subordinated Debt, Due 2031              
Debt Instrument [Line Items]              
Subordinated debentures     35,000,000   35,000,000   35,000,000
Senior Notes              
Debt Instrument [Line Items]              
Aggregate Principal Amount Junior Subordinated Notes $ 30,000,000            
Long-term debt     30,000,000   30,000,000   $ 30,000,000
Interest Expense     517,000   1,536,000    
Service 1st Bank              
Debt Instrument [Line Items]              
Aggregate Principal Amount Junior Subordinated Notes     $ 5,155,000   $ 5,155,000