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Fair Value (Details Textual) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Securities fair value less than amortized cost $ 0  
Fair value assets liabilities transfers amount between level 1 and level 2 0 $ 0
Troubled debt restructurings 3,900,000 4,100,000
Other real estate owned measured at fair value less costs to sell $ 0 0
Write down of other real estate owned   19,000
Maximum maturity period of short term borrowings 90 days  
Measured Using Present Value of Cash Flows    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Troubled debt restructurings $ 792,000 513,000
Collateral Dependent Loans    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Collateral dependent loans, unpaid principal balance with allowance recorded 3,200,000  
Collateral dependent loans, allowance $ 1,500,000  
Collateral Dependent Impaired Loans    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Impaired loans, unpaid principal balance with allowance recorded   2,300,000
Impaired loans, allowance   $ 368,000