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Securities (Details Textual) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 USD ($) Securities | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) Securities | Sep. 30, 2020 USD ($)
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Proceeds from the sale of portfolio securities | $ 8,200,000 | $ 2,300,000 | $ 35,200,000 | $ 17,700,000
Gross gains realized | 458,000 | 48,000 | 1,400,000 | 330,000
Gross losses realized | $ 1,000 | 0 | $ 515,000 | 12,000
Number of securities | Securities | 718 |  | 718 |
Number of securities on unrealized loss position | Securities | 146 |  | 146 |
Allowance for credit losses on available-for-sale securities | $ 0 |  | $ 0 |
ASU 2016-01 | Equity securities |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |
Realized gains recognized in income statement for securities | $ 5,000 |  | $ 141,000 |
Realized losses recognized in income statement for securities |  | $ 22,000 |  | $ 117,000

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