Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands		Total	Stock Compensation Plans and Agreements	Stock Repurchase Program	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Common Stock Stock Compensation Plans and Agreements	Common Stock Stock Repurchase Program	Common Stock and Additional Paid-In Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Treasury Stock	Treasury Stock Stock Compensation Plans and Agreements	Treasury Stock Stock Repurchase Program	AOCI, net of Tax
Balance (in shares) at Dec. 31, 2018						144,961,363
Beginning balance at Dec. 31, 2018		$ 4,423,974							$ 1,789,977	$ 3,160,132		$ (467,961)			$ (58,174)
Beginning balance (Accounting Standards Update 2016-02) at Dec. 31, 2018	[1]				$ 10,510						$ 10,510
Increase (Decrease) in Stockholders' Equity
Net income		674,035								674,035
Other comprehensive income (loss)		39,766													39,766
Warrants exercised (in shares)						180,226
Warrants exercised		4,443							1,711			2,732
Issuance of common stock pursuant to various stock compensation plans and agreements (in shares)						754,372
Issuance of common stock pursuant to various stock compensation plans and agreements		34,824							34,824
Purchase of treasury stock pursuant to the Stock Repurchase Program (in shares)							(270,576)
Repurchase of common stock pursuant to various stock compensation plans and agreements			$ (14,635)										$ (14,635)
Cash dividends on common stock		(155,300)								(155,300)
Ending balance at Dec. 31, 2019		5,017,617							1,826,512	3,689,377		(479,864)			(18,408)
Ending balance (Accounting Standards Update 2016-13) at Dec. 31, 2019	[2]				$ (97,967)						$ (97,967)
Balance (in shares) at Dec. 31, 2019						145,625,385
Increase (Decrease) in Stockholders' Equity
Net income		567,797								567,797
Other comprehensive income (loss)		62,733													62,733
Issuance of common stock pursuant to various stock compensation plans and agreements (in shares)						618,641
Issuance of common stock pursuant to various stock compensation plans and agreements		32,007							32,007
Purchase of treasury stock pursuant to the Stock Repurchase Program (in shares)							(207,115)	(4,471,682)
Repurchase of common stock pursuant to various stock compensation plans and agreements			(8,253)	$ (145,966)									(8,253)	$ (145,966)
Cash dividends on common stock		(158,793)								(158,793)
Ending balance at Dec. 31, 2020		5,269,175							1,858,519	4,000,414		(634,083)			44,325
Balance (in shares) at Dec. 31, 2020						141,565,229
Increase (Decrease) in Stockholders' Equity
Net income		872,981								872,981
Other comprehensive income (loss)		(134,706)													(134,706)
Issuance of common stock pursuant to various stock compensation plans and agreements (in shares)						550,045
Issuance of common stock pursuant to various stock compensation plans and agreements		35,206							35,206
Purchase of treasury stock pursuant to the Stock Repurchase Program (in shares)							(207,320)
Repurchase of common stock pursuant to various stock compensation plans and agreements			$ (15,702)										$ (15,702)
Cash dividends on common stock		(189,736)								(189,736)
Ending balance at Dec. 31, 2021		$ 5,837,218							$ 1,893,725	$ 4,683,659		$ (649,785)			$ (90,381)
Balance (in shares) at Dec. 31, 2021						141,907,954

[1] Represents the impact of the adoption of Accounting Standards Update (“ASU”) 2016-02, Leases (Topic 842) and subsequent related ASUs on January 1, 2019.

[2] Represents the impact of the adoption of ASU 2016-13, Financial Instruments — Credit Losses (Topic 326) on January 1, 2020. Refer to Note 1 — Summary of Significant Accounting Policies to the Consolidated Financial Statements in this Annual Report on Form 10-K (“this Form 10-K”) for additional information.