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Securities (Details Textual)	Mar. 31, 2024 USD ($) Securities	Dec. 31, 2023 USD ($)
Debt Securities, Available-for-Sale [Line Items]
Number of securities | Securities	947
Number of securities on unrealized loss position | Securities	767
Allowance for credit losses on available-for-sale securities	$ 0
Small Business Investment Company Partnership Investments
Debt Securities, Available-for-Sale [Line Items]
Equity securities	15,300,000	$ 14,900,000
Local and Regional Bank Holdings and Other Miscellaneous Equity Funds
Debt Securities, Available-for-Sale [Line Items]
Equity securities	$ 238,000	$ 226,000

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