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v3.19.3.a.u2

Fair Value (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
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 | $ 920 |  |  |  | $ 1,897 |  |  |  | 920 | 1,897 |
Impaired loans, allowance | 61 |  |  |  | 276 |  |  |  | 61 | 276 |
Provision for loan losses | 600 | $ 550 | $ 750 | $ 550 | 525 | $ 950 | $ 750 | $ 775 | 2,450 | 3,000 | $ 3,350
Troubled debt restructurings | 4,600 |  |  |  | 5,500 |  |  |  | 4,600 | 5,500 |
Other real estate owned measured at fair value less costs to sell | 0 |  |  |  |  |  |  |  | 0 |  |
Write down of other real estate owned |  |  |  |  |  |  |  |  | $ 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 | 583 |  |  |  | 694 |  |  |  | $ 583 | 694 |
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 | 208 |  |  |  | 1,100 |  |  |  | 208 | 1,100 |
Impaired loans, allowance | $ 13 |  |  |  | $ 227 |  |  |  | 13 | 227 |
Provision for loan losses |  |  |  |  |  |  |  |  | $ 134 | $ 180 |

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