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Other Comprehensive Income (Loss) - Changes in the components of other comprehensive income and loss (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Debt Securities: Pre-Tax Amount |  |  |
Net change in unrealized gains (losses) on debt securities | $ 58,868 | $ (125,634) | $ (19,433)
Less: reclassification adjustment from amortization of securities transferred from AFS to HTM (1) | (328) | (382) | (326)
Reclassification adjustment for losses (gains) realized in income | (24,643) |  |
Net change | 33,897 | (126,016) | (19,759)
Debt Securities: Tax (Expense) Benefit |  |  |
Change in fair value | (14,775) | 31,534 | 4,878
Less: reclassification adjustment from amortization of securities transferred from AFS to HTM (1) | 82 | 96 | 82
Less: reclassification adjustment for net realized losses (2) | 6,185 |  |
Net change | (8,508) | 31,630 | 4,960
Debt Securities: After-Tax Amount |  |  |
Change in fair value | 44,093 | (94,100) | (14,555)
Less: reclassification adjustment from amortization of securities transferred from AFS to HTM (1) | (246) | (286) | (244)
Less: reclassification adjustment for net realized losses (2) | (18,458) |  |
Net change | 25,389 | (94,386) | (14,799)
Cash Flow Hedges: Pre-Tax Amount |  |  |
Net change in unrealized gain (losses) on cash flow hedging derivatives | 176 |  |
Less: reclassified AOCI gain (loss) into interest expense (3) | (473) |  |
Net change | (297) |  |
Cash Flow Hedges: Tax (Expense) Benefit |  |  |
Change in fair value | (59) |  |
Less: reclassified AOCI gain (loss) into interest expense (3) | 119 |  |
Net change | 60 |  |
Cash Flow Hedges: After-Tax Amount |  |  |
Gains (Losses) Recognized in Other Comprehensive Income (Loss) | 117 |  |
Gains (Losses) Reclassified from Other Comprehensive Income (Loss) into Earnings | (354) |  |
Net change | (237) |  |
Other Derivatives: Pre-Tax Amount |  |  |
Change in fair value | (241) |  | (125)
Net change | (241) |  | (125)
Other Derivatives: Tax (Expense) Benefit |  |  |
Change in fair value | 75 |  | 31
Net change | 75 |  | 31
Other Derivatives: After-Tax Amount |  |  |
Change in fair value | (166) |  | (94)
Net change | (166) |  | (94)
Total other comprehensive income (loss), before tax | 33,359 | (126,016) | (19,884)
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent, Total | (8,373) | 31,630 | 4,991
Other comprehensive income (loss), net of tax | $ 24,986 | $ (94,386) | $ (14,893)

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