CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period Of Adoption, Adjustment	[1]	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	[1]	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, 2023						140,027,367
Beginning balance at Dec. 31, 2023	$ 6,950,834	$ (9,482)							$ 1,980,987	$ 6,465,230	$ (9,482)		$ (874,787)			$ (620,596)
Increase (Decrease) in Stockholders' Equity
Net income	872,471									872,471
Other comprehensive income	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	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)
Beginning balance (in shares) at Dec. 31, 2024						138,437,299
Beginning balance at Dec. 31, 2024	7,723,054								2,030,882	7,311,542			(1,034,110)			(585,260)
Increase (Decrease) in Stockholders' Equity
Net income	968,917									968,917
Other comprehensive income	209,703															209,703
Issuance of common stock pursuant to various stock compensation plans and agreements (in shares)						538,416
Issuance of common stock pursuant to various stock compensation plans and agreements	65,515								65,515
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements (in shares)							(205,559)	(1,202,096)
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements				(18,933)	(113,879)									(18,933)	(113,879)
Cash dividends on common stock	(251,577)									(251,577)
Ending balance (in shares) at Sep. 30, 2025						137,568,060
Ending balance at Sep. 30, 2025	8,582,800								2,096,397	8,028,882			(1,166,922)			(375,557)
Beginning balance (in shares) at Jun. 30, 2025						137,816,091
Beginning balance at Jun. 30, 2025	8,201,767								2,060,285	7,744,221			(1,140,359)			(462,380)
Increase (Decrease) in Stockholders' Equity
Net income	368,394									368,394
Other comprehensive income	86,823															86,823
Issuance of common stock pursuant to various stock compensation plans and agreements (in shares)						18,337
Issuance of common stock pursuant to various stock compensation plans and agreements	36,112								36,112
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements (in shares)							(8,608)	(257,760)
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements				$ (896)	$ (25,667)									$ (896)	$ (25,667)
Cash dividends on common stock	(83,733)									(83,733)
Ending balance (in shares) at Sep. 30, 2025						137,568,060
Ending balance at Sep. 30, 2025	$ 8,582,800								$ 2,096,397	$ 8,028,882			$ (1,166,922)			$ (375,557)

[1] 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.