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Accumulated Other Comprehensive Income (Loss) (Components of unrealized holding gains on AFS securities) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Unrealized gains (losses) arising during the period |  | $ 13,365 | $ (50,015) | $ (8,371)
Reclassification adjustment for net realized (gains) losses included in net income |  | (67) | 0 | 0
Comprehensive income (loss) before income tax (expense) benefit |  | 13,298 | (50,015) | (8,371)
Tax effect | [1] | (2,669) | 10,314 | 1,759
Unrealized gains (losses), net of tax |  | 10,629 | (39,701) | (6,612)
Unrealized Holding Gains (Losses) on AFS Securities [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Unrealized gains (losses) arising during the period |  | 13,365 | (50,015) | (8,371)
Reclassification adjustment for net realized (gains) losses included in net income |  | (67) | 0 | 0
Comprehensive income (loss) before income tax (expense) benefit |  | 13,298 | (50,015) | (8,371)
Tax effect |  | (2,669) | 10,314 | 1,759
Unrealized gains (losses), net of tax |  | 10,629 | (39,701) | (6,612)
Unrealized Holding Gains (Losses) on AFS Securities [Member] | Auction Rate Money Market Preferred and Preferred Stocks [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Unrealized gains (losses) arising during the period |  | 589 | (900) | 5
Reclassification adjustment for net realized (gains) losses included in net income |  | 0 | 0 | 0
Comprehensive income (loss) before income tax (expense) benefit |  | 589 | (900) | 5
Tax effect |  | 0 | 0 | 0
Unrealized gains (losses), net of tax |  | 589 | (900) | 5
Unrealized Holding Gains (Losses) on AFS Securities [Member] | All Other AFS Securities [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Unrealized gains (losses) arising during the period |  | 12,776 | (49,115) | (8,376)
Reclassification adjustment for net realized (gains) losses included in net income |  | (67) | 0 | 0
Comprehensive income (loss) before income tax (expense) benefit |  | 12,709 | (49,115) | (8,376)
Tax effect |  | (2,669) | 10,314 | 1,759
Unrealized gains (losses), net of tax |  | $ 10,040 | $ (38,801) | $ (6,617)
[1] | See “Note 16 – Accumulated Other Comprehensive Income (Loss)” in the accompanying notes to consolidated financial statements for tax effect reconciliation.

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