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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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