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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, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Unrealized gains (losses) arising during the period |  | $ (50,015) | $ (8,371) | $ 7,474
Reclassification adjustment for net realized (gains) losses included in net income |  | 0 | 0 | (71)
Comprehensive income (loss) before income tax (expense) benefit |  | (50,015) | (8,371) | 7,403
Tax effect | [1] | 10,314 | 1,759 | (1,530)
Unrealized gains (losses), net of tax |  | (39,701) | (6,612) | 5,873
Unrealized Holding Gains (Losses) on AFS Securities [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Unrealized gains (losses) arising during the period |  | (50,015) | (8,371) | 7,474
Reclassification adjustment for net realized (gains) losses included in net income |  | 0 | 0 | (71)
Comprehensive income (loss) before income tax (expense) benefit |  | (50,015) | (8,371) | 7,403
Tax effect |  | 10,314 | 1,759 | (1,530)
Unrealized gains (losses), net of tax |  | (39,701) | (6,612) | 5,873
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 |  | (900) | 5 | 118
Reclassification adjustment for net realized (gains) losses included in net income |  | 0 | 0 | 0
Comprehensive income (loss) before income tax (expense) benefit |  | (900) | 5 | 118
Tax effect |  | 0 | 0 | 0
Unrealized gains (losses), net of tax |  | (900) | 5 | 118
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 |  | (49,115) | (8,376) | 7,356
Reclassification adjustment for net realized (gains) losses included in net income |  | 0 | 0 | (71)
Comprehensive income (loss) before income tax (expense) benefit |  | (49,115) | (8,376) | 7,285
Tax effect |  | 10,314 | 1,759 | (1,530)
Unrealized gains (losses), net of tax |  | $ (38,801) | $ (6,617) | $ 5,755
[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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- Definition Amount, after adjustment, of tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669646-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e640-108580 + Details
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