CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjusted Balance	Series A Preferred Stock	Series B Preferred Stock	Series C Preferred Stock	Preferred Stock	Preferred Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Common Stock	Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Surplus	Surplus Cumulative Effect, Period of Adoption, Adjusted Balance	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings Cumulative Effect, Period of Adoption, Adjusted Balance	Retained Earnings Series A Preferred Stock	Retained Earnings Series B Preferred Stock	Retained Earnings Series C Preferred Stock	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss Cumulative Effect, Period of Adoption, Adjusted Balance	Treasury Stock	Treasury Stock Cumulative Effect, Period of Adoption, Adjusted Balance
Beginning balance at Dec. 31, 2021	$ 5,084,066						$ 209,691		$ 148,482		$ 3,883,035		$ 883,645	$ (47,300)					$ (17,932)		$ (22,855)
Beginning balance (in shares) at Dec. 31, 2021									421,437,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	568,851												568,851
Other comprehensive loss,  net of tax	(146,070)																		(146,070)
Cash dividends declared:
Cash dividends declared on preferred stock				$ (7,188)	$ (5,958)											$ (7,188)	$ (5,958)
Cash dividends declared on common stock	(215,513)												(215,513)
Effect of stock incentive plan, net (in shares)									1,089,000
Effect of stock incentive plan, net	18,302								$ 1		9,069		(5,392)								14,624
Common stock issued in acquisition (in shares)									84,863,000
Common stock issued	1,117,829								$ 29,702		1,088,127
Common stock repurchased (in shares)									(1,015,000)
Common stock repurchased	(13,517)																				(13,517)
Ending balance at Dec. 31, 2022	6,400,802	$ 990	$ 6,401,792				209,691	$ 209,691	$ 178,185	$ 178,185	4,980,231	$ 4,980,231	1,218,445	$ 990	$ 1,219,435				(164,002)	$ (164,002)	(21,748)	$ (21,748)
Ending balance (in shares) at Dec. 31, 2022									506,374,000	506,374,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	498,511												498,511
Other comprehensive loss,  net of tax	17,546																		17,546
Cash dividends declared:
Cash dividends declared on preferred stock				(7,188)	(8,947)											(7,188)	(8,947)
Cash dividends declared on common stock	(225,779)												(225,779)
Effect of stock incentive plan, net (in shares)									1,309,000
Effect of stock incentive plan, net	23,798								$ 2		9,758		(4,011)								18,049
Common stock issued in acquisition (in shares)									327,000
Common stock issued	3,750												(650)								4,400
Common stock repurchased (in shares)									(300,000)
Common stock repurchased	(2,092)																				(2,092)
Ending balance at Dec. 31, 2023	6,701,391		$ 6,701,391					$ 209,691		$ 178,187		$ 4,989,989			$ 1,471,371				(146,456)	$ (146,456)		$ (1,391)
Ending balance (in shares) at Dec. 31, 2023										507,710,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	380,271												380,271
Other comprehensive loss,  net of tax	(8,878)																		(8,878)
Cash dividends declared:
Cash dividends declared on preferred stock				$ (7,188)	$ (9,163)	$ (5,018)										$ (7,188)	$ (9,163)	$ (5,018)
Cash dividends declared on common stock	(232,225)												(232,225)
Effect of stock incentive plan, net (in shares)									1,878,000
Effect of stock incentive plan, net	22,363								$ 592		20,380										1,391
Common stock issued in acquisition (in shares)									49,198,000
Common stock issued	$ 448,920								$ 17,219		431,701
Common stock repurchased (in shares)	0
Preferred stock issued	$ 144,654						144,654
Ending balance at Dec. 31, 2024	$ 7,435,127						$ 354,345		$ 195,998		$ 5,442,070		$ 1,598,048						$ (155,334)		$ 0
Ending balance (in shares) at Dec. 31, 2024									558,786,000