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Capital Ratios and Shareholders' Equity - Components of Unrealized Holding Gains on AFS Securities - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Unrealized gains (losses) arising during the period |  | $ 5,030 | $ 13,081 | $ 13,923 | $ 10,858
Tax effect | [1] | (1,052) | (2,724) | (2,977) | (2,241)
Unrealized gains on AFS securities, net of tax |  | 3,978 | 10,357 | 10,946 | 8,617
Auction Rate Money Market Preferred |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Unrealized gains (losses) arising during the period |  | (64) | 109 | (279) | 186
Tax effect |  | 0 | 0 | 0 | 0
Unrealized gains on AFS securities, net of tax |  | (64) | 109 | (279) | 186
All Other AFS Securities |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Unrealized gains (losses) arising during the period |  | 5,094 | 12,972 | 14,202 | 10,672
Tax effect |  | (1,052) | (2,724) | (2,977) | (2,241)
Unrealized gains on AFS securities, net of tax |  | $ 4,042 | $ 10,248 | $ 11,225 | $ 8,431
[1] | See “Note 6 – Capital Ratios and Shareholders' Equity” of these consolidated financial statements for tax effect reconciliation.

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