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Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Statement of Comprehensive Income [Abstract] |  |  |
Net income | $ 581,992 | $ 428,287 | $ 277,538
Change in debt securities available-for-sale: |  |  |
Unrealized holding gains (losses) for the period | (31,355) | (1,004,054) | (187,955)
Reclassification for securities transferred to held-to-maturity | 0 | 165,473 | 0
Reclassification adjustment for securities (gains) losses realized in income | 6,265 | 88 | (4,327)
Income tax effect | 14,918 | 199,097 | 43,997
Unrealized gains (losses) on available-for-sale debt securities | (10,172) | (639,396) | (148,285)
Change in securities held-to-maturity: |  |  |
Adjustment for securities transferred from available-for-sale | 0 | (165,473) | 0
Amortization of unrealized losses on securities transferred from available-for-sale | 21,239 | 16,612 | 0
Income tax effect | (4,047) | 36,197 | 0
Changes from securities held-to-maturity | 17,192 | (112,664) | 0
Change in hedges: |  |  |
Net unrealized derivative gains (losses) on hedges | 69,276 | (45,132) | 1,898
Reclassification adjustment for (gains) losses realized in net income | (15,067) | 2,587 | (4,605)
Income tax effect | (13,479) | 10,453 | 666
Changes from hedges | 40,730 | (32,092) | (2,041)
Change in defined benefit pension plans: |  |  |
Amortization of net (gains) losses recognized in income | (182) | 139 | 239
Income tax effect | 45 | (34) | (59)
Changes from defined benefit pension plans | (137) | 105 | 180
Other comprehensive income (loss), net of tax | 47,613 | (784,047) | (150,146)
Comprehensive income (loss) | $ 629,605 | $ (355,760) | $ 127,392

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