CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period Of Adoption, Adjustment		Various Stock Compensation Plans And Agreements	Stock Repurchase Plan	Common Stock	Common Stock Various Stock Compensation Plans And Agreements	Common Stock Stock Repurchase Plan	Common Stock and Additional Paid-in Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period Of Adoption, Adjustment		Treasury Stock	Treasury Stock Various Stock Compensation Plans And Agreements	Treasury Stock Stock Repurchase Plan	AOCI, Net of Tax
Beginning balance (in shares) at Dec. 31, 2022						140,947,846
Beginning balance at Dec. 31, 2022	$ 5,984,612	$ (4,262)	[1]						$ 1,936,557	$ 5,582,546	$ (4,262)	[1]	$ (768,862)			$ (765,629)
Increase (Decrease) in Stockholders' Equity
Net income	922,208									922,208
Other comprehensive income (loss)	(109,748)															(109,748)
Issuance of common stock pursuant to various stock compensation plans and agreements (in shares)						857,501
Issuance of common stock pursuant to various stock compensation plans and agreements	32,851								32,851
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements (in shares)							(319,398)
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements				$ (23,214)										$ (23,214)
Cash dividends on common stock	(205,741)									(205,741)
Ending balance (in shares) at Sep. 30, 2023						141,485,949
Ending balance at Sep. 30, 2023	6,596,706								1,969,408	6,294,751			(792,076)			(875,377)
Beginning balance (in shares) at Jun. 30, 2023						141,483,668
Beginning balance at Jun. 30, 2023	6,461,697								1,959,784	6,075,735			(791,890)			(781,932)
Increase (Decrease) in Stockholders' Equity
Net income	287,738									287,738
Other comprehensive income (loss)	(93,445)															(93,445)
Issuance of common stock pursuant to various stock compensation plans and agreements (in shares)						5,682
Issuance of common stock pursuant to various stock compensation plans and agreements	9,624								9,624
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements (in shares)							(3,401)
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements				(186)										(186)
Cash dividends on common stock	(68,722)									(68,722)
Ending balance (in shares) at Sep. 30, 2023						141,485,949
Ending balance at Sep. 30, 2023	6,596,706								1,969,408	6,294,751			(792,076)			(875,377)
Beginning balance (in shares) at Dec. 31, 2023						140,027,367
Beginning balance at Dec. 31, 2023	6,950,834	$ (9,482)	[2]						1,980,987	6,465,230	$ (9,482)	[2]	(874,787)			(620,596)
Increase (Decrease) in Stockholders' Equity
Net income	872,471									872,471
Other comprehensive income (loss)	183,292															183,292
Issuance of common stock pursuant to various stock compensation plans and agreements (in shares)						516,125
Issuance of common stock pursuant to various stock compensation plans and agreements	37,288								37,288
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements (in shares)							(191,743)	(1,742,496)
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements				(14,011)	$ (123,221)									(14,011)	$ (123,221)
Cash dividends on common stock	(232,632)									(232,632)
Ending balance (in shares) at Sep. 30, 2024						138,609,253
Ending balance at Sep. 30, 2024	7,664,539								2,018,275	7,095,587			(1,012,019)			(437,304)
Beginning balance (in shares) at Jun. 30, 2024						138,604,437
Beginning balance at Jun. 30, 2024	7,215,114								2,007,558	6,873,653			(1,011,924)			(654,173)
Increase (Decrease) in Stockholders' Equity
Net income	299,166									299,166
Other comprehensive income (loss)	216,869															216,869
Issuance of common stock pursuant to various stock compensation plans and agreements (in shares)						5,948
Issuance of common stock pursuant to various stock compensation plans and agreements	10,717								10,717
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements (in shares)							(1,132)
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements				$ (95)										$ (95)
Cash dividends on common stock	(77,232)									(77,232)
Ending balance (in shares) at Sep. 30, 2024						138,609,253
Ending balance at Sep. 30, 2024	$ 7,664,539								$ 2,018,275	$ 7,095,587			$ (1,012,019)			$ (437,304)

[1] Represents the change in the Company’s allowance for loan losses as a result of the adoption of Accounting Standards Update (“ASU”) 2022-02, Financial Instruments - Credit Losses (Topic 326): Troubled Debt Restructurings and the Vintage Disclosures on January 1, 2023.

[2] Represents the impact of the adoption of ASU 2023-02, Investments - Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method on January 1, 2024. Refer to Note 2 — Current Accounting Developments and Summary of Significant Accounting Policies in this Form 10-Q for additional information.