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Securities (Narrative Disclosures) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) securities | Dec. 31, 2022 USD ($) securities | Dec. 31, 2021 USD ($) securities
Investments, Debt and Equity Securities [Abstract] |  |  |
Number of available-for-sale securities sold | securities | 16 | 0 | 7
Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Recognized in Earnings | $ 0 | $ 0 |
Held-to-maturity securities in unrealized loss positions | securities | 29 |  |
Held-to-maturity securities in an unrealized loss position, twelve months or greater | securities | 24 |  |
Other than temporary impairment on held-to-maturity securities | $ 0 | 0 | $ 0
Investment in limited partnerships | 15,027 | 13,599 |
Various Obligations |  |  |
Investments, Debt and Equity Securities [Abstract] |  |  |
Debt Securities | 45,400 | 35,900 |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |  |
Debt Securities | $ 45,400 | $ 35,900 |

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- Definition Held-to-Maturity Securities, Securities in Unrealized Loss Positions, Qualitative Disclosures, Number of Positions 12 months or greater + References No definition available. + Details
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- Definition Amount, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity), and investment in debt security measured at fair value with change in fair value recognized in net income (trading). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481830/320-10-45-1 + Details
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