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Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Statement of Comprehensive Income [Abstract] |  |  |  |
Net income | $ 127,466 | $ 115,572 | $ 360,501 | $ 338,741
Other comprehensive income (loss) before income taxes: |  |  |  |
Net change in unrealized loss on securities available for sale, cash flow hedges and equity method investment | 57,901 | 219,703 | 215,684 | 121,552
Reclassification of net loss realized and included in earnings | 9,714 | 13,964 | 28,797 | 41,689
Valuation adjustments to employee benefit plans |  |  |  | 22,014
Amortization of unrealized net loss on securities transferred to held to maturity | 413 | 461 | 1,205 | 1,279
Other comprehensive income before income taxes | 68,028 | 234,128 | 245,686 | 186,534
Income tax expense | 14,661 | 51,688 | 56,054 | 40,903
Other comprehensive income net of income taxes | 53,367 | 182,440 | 189,632 | 145,631
Comprehensive income | $ 180,833 | $ 298,012 | $ 550,133 | $ 484,372

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