Securities (Details Textual)	3 Months Ended	6 Months Ended
Jun. 30, 2021 USD ($) Securities	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) Securities	Jun. 30, 2020 USD ($)
Schedule Of Available For Sale Securities [Line Items]
Proceeds from the sale of portfolio securities	$ 800,000	$ 300,000	$ 27,000,000.0	$ 15,400,000
Gross gains realized	499,000	26,000	905,000	282,000
Gross losses realized	$ 491,000	12,000	$ 521,000	12,000
Number of securities \| Securities	697		697
Number of securities on unrealized loss position \| Securities	134		134
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	$ 24,000		$ 136,000
Realized losses recognized in income statement for securities		$ 40,000		$ 139,000

Number of securities.

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Number of securities on unrealized loss position.

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Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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-Publisher FASB
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Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of realized gain from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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