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Accumulated Other Comprehensive Income (Loss) (Components of unrealized holdings gains on AFS securities) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]      
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax $ 5,339 $ 13,365 $ (50,015)
Other Comprehensive Income (Loss), Reclassification Adjustment from OCI for Sale of Securities, before Tax 0 (67) 0
Tax effect [1] (1,098) (2,669) 10,314
Unrealized gains (losses), net of tax 4,541 11,298 (39,053)
Unrealized Holding Gains (Losses) on AFS Securities [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax 5,339 13,365 (50,015)
Other Comprehensive Income (Loss), Reclassification Adjustment from OCI for Sale of Securities, before Tax 0 (67) 0
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax 5,339 13,298 (50,015)
Tax effect (1,098) (2,669) 10,314
Unrealized gains (losses), net of tax 4,241 10,629 (39,701)
Unrealized Holding Gains (Losses) on AFS Securities [Member] | Auction Rate Money Market Preferred and Preferred Stocks [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax 113 589 (900)
Other Comprehensive Income (Loss), Reclassification Adjustment from OCI for Sale of Securities, before Tax 0 0 0
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax 113 589 (900)
Tax effect 0 0 0
Unrealized gains (losses), net of tax 113 589 (900)
Unrealized Holding Gains (Losses) on AFS Securities [Member] | All Other AFS Securities [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax 5,226 12,776 (49,115)
Other Comprehensive Income (Loss), Reclassification Adjustment from OCI for Sale of Securities, before Tax 0 (67) 0
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax 5,226 12,709 (49,115)
Tax effect (1,098) (2,669) 10,314
Unrealized gains (losses), net of tax $ 4,128 $ 10,040 $ (38,801)
[1] See “Note 9 – Capital Ratios and Shareholders' Equity” in the accompanying notes to consolidated financial statements for tax effect reconciliation.