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Fair Value (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Fair value assets liabilities transfers amount between level 1 and level 2 | $ 0 | $ 0
Impaired loans, unpaid principal balance with allowance recorded | 3,657 | 920
Impaired loans, allowance | 436 | 61
Troubled debt restructurings | 4,100 | 4,600
Other real estate owned measured at fair value less costs to sell | 0 | 0
Write down of other real estate owned | $ 19 | 68
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 | $ 513 | 583
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 | 208
Impaired loans, allowance | 368 | 13
Provision for loan losses | $ 440 | $ 134

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- Definition Amount of financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554 + Details
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