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Securities (Narrative) (Details) | Dec. 31, 2023 USD ($) investment | Dec. 31, 2022 USD ($) investment | Dec. 31, 2009 USD ($)
--- | --- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |  |
Carrying amount of securities pledged | $ 366,576,000 | $ 354,123,000 |
Allowance for credit losses for available-for-sale securities | 0 | 0 |
Accrued interest receivable on available-for-sale securities | $ 9,620,000 | $ 10,637,000 |
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] | Accrued Interest Payable and Other Liabilities | Accrued Interest Payable and Other Liabilities |
Original investment of equity security | $ 353,000 | $ 353,000 |
Other than temporary impairment recognized through earnings | $ 0 | $ 0 |
Equity Securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Number of equity securities held in non-controlling investment banking | investment | 1 | 1 |
Original investment of equity security |  |  | $ 1,350,000
Other than temporary impairment recognized through earnings |  |  | $ 997,000

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