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Securities (Details Textual) | 3 Months Ended
--- | ---
Mar. 31, 2021 USD ($) Securities | Mar. 31, 2020 USD ($)
Schedule Of Available For Sale Securities [Line Items] |  |
Proceeds from the sale of portfolio securities | $ 26,200,000 | $ 15,100,000
Gross gains realized | 406,000.0 | 256,000
Gross losses realized | $ 22,600 | 0
Number of securities | Securities | 767 |
Number of securities on unrealized loss position | Securities | 153 |
Allowance for credit losses on available-for-sale securities | $ 0 |
ASU 2016-01 | Equity securities |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Realized losses recognized in income statement for securities |  | $ 99,000
Realized gains recognized in income statement for securities | $ 105,000 |

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