Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 258,848	$ 181,633	$ 485,765	$ 397,956
Other comprehensive income (loss), net of tax:
Investment securities available-for-sale	8,858	(9,809)	105,439	(46,080)
Derivative financial instruments	2,004	(1,610)	12,128	(31,599)
Defined benefit pension and other postretirement benefit plans	277	(379)	554	351
Total	11,139	(11,798)	118,121	(77,328)
Comprehensive income	$ 269,987	$ 169,835	$ 603,886	$ 320,628