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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

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