CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Preferred Series A	Preferred Series B	Preferred Series C	Common Stock	Preferred Stock	Common Stock	Surplus	Retained Earnings	Retained Earnings Preferred Series A	Retained Earnings Preferred Series B	Retained Earnings Preferred Series C	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance at Dec. 31, 2023	$ 6,701,391					$ 209,691	$ 178,187	$ 4,989,989	$ 1,471,371				$ (146,456)	$ (1,391)
Beginning balance (in shares) at Dec. 31, 2023							507,710
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	96,280								96,280
Other comprehensive income (loss), net of tax	(10,392)												(10,392)
Cash dividends declared:
Cash dividends declared on preferred stock		$ (1,797)	$ (2,322)							$ (1,797)	$ (2,322)
Cash dividends declared on common stock	(56,794)								(56,794)
Effect of stock incentive plan, net (in shares)							1,183
Effect of stock incentive plan, net	773						$ 348	(966)						1,391
Ending balance at Mar. 31, 2024	6,727,139					209,691	$ 178,535	4,989,023	1,506,738				(156,848)	0
Ending balance (in shares) at Mar. 31, 2024							508,893
Beginning balance at Dec. 31, 2023	6,701,391					209,691	$ 178,187	4,989,989	1,471,371				(146,456)	(1,391)
Beginning balance (in shares) at Dec. 31, 2023							507,710
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	166,704
Ending balance at Jun. 30, 2024	6,737,737					209,691	$ 178,645	4,995,638	1,516,376				(162,613)	0
Ending balance (in shares) at Jun. 30, 2024							509,205
Beginning balance at Mar. 31, 2024	6,727,139					209,691	$ 178,535	4,989,023	1,506,738				(156,848)	0
Beginning balance (in shares) at Mar. 31, 2024							508,893
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	70,424								70,424
Other comprehensive income (loss), net of tax	(5,765)												(5,765)
Cash dividends declared:
Cash dividends declared on preferred stock		(1,797)	(2,311)							(1,797)	(2,311)
Cash dividends declared on common stock	(56,678)								(56,678)
Effect of stock incentive plan, net (in shares)							312
Effect of stock incentive plan, net	6,725						$ 110	6,615
Ending balance at Jun. 30, 2024	6,737,737					209,691	$ 178,645	4,995,638	1,516,376				(162,613)	0
Ending balance (in shares) at Jun. 30, 2024							509,205
Beginning balance at Dec. 31, 2024	7,435,127					354,345	$ 195,998	5,442,070	1,598,048				(155,334)	0
Beginning balance (in shares) at Dec. 31, 2024							558,786
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	106,058								106,058
Other comprehensive income (loss), net of tax	27,082												27,082
Cash dividends declared:
Cash dividends declared on preferred stock		(1,797)	(2,065)	$ (3,094)						(1,797)	(2,065)	$ (3,094)
Cash dividends declared on common stock					$ (62,460)				(62,460)
Effect of stock incentive plan, net (in shares)							1,492
Effect of stock incentive plan, net	3,208						$ 522	2,686
Common stock repurchased (in shares)							(250)
Common stock repurchased	(2,162)													(2,162)
Ending balance at Mar. 31, 2025	7,499,897					354,345	$ 196,520	5,444,756	1,634,690				(128,252)	(2,162)
Ending balance (in shares) at Mar. 31, 2025							560,028
Beginning balance at Dec. 31, 2024	7,435,127					354,345	$ 195,998	5,442,070	1,598,048				(155,334)	0
Beginning balance (in shares) at Dec. 31, 2024							558,786
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	239,225
Ending balance at Jun. 30, 2025	7,575,421					354,345	$ 196,606	5,451,543	1,694,903				(119,889)	(2,087)
Ending balance (in shares) at Jun. 30, 2025							560,282
Beginning balance at Mar. 31, 2025	7,499,897					354,345	$ 196,520	5,444,756	1,634,690				(128,252)	(2,162)
Beginning balance (in shares) at Mar. 31, 2025							560,028
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	133,167								133,167
Other comprehensive income (loss), net of tax	8,363												8,363
Cash dividends declared:
Cash dividends declared on preferred stock		$ (1,797)	$ (2,057)	$ (3,094)						$ (1,797)	$ (2,057)	$ (3,094)
Cash dividends declared on common stock	(62,466)								(62,466)
Effect of stock incentive plan, net (in shares)							504
Effect of stock incentive plan, net	5,572						$ 86	6,787	(3,540)					2,239
Common stock repurchased (in shares)							(250)
Common stock repurchased	(2,164)													(2,164)
Ending balance at Jun. 30, 2025	$ 7,575,421					$ 354,345	$ 196,606	$ 5,451,543	$ 1,694,903				$ (119,889)	$ (2,087)
Ending balance (in shares) at Jun. 30, 2025							560,282