CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Series B Preferred Stock	Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Retained Earnings Series B Preferred Stock	Treasury Stock
Beginning balance, shares issued (in shares) at Dec. 31, 2021			2,510,696	432,013,372
Beginning balance (in shares) at Dec. 31, 2021									(153,056,639)
Beginning balance (in shares) at Dec. 31, 2021				278,956,733
Beginning balance at Dec. 31, 2021	$ 2,149,711		$ 251,070	$ 86,403	$ 1,074,384	$ (17,897)	$ 2,817,134		$ (2,061,383)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	470,885						470,885
Other comprehensive (loss) income, net of tax	(46,102)					(46,102)
Total comprehensive income	424,783
Cash dividends declared:
Common Stock	(58,576)						(58,576)
Preferred Stock		$ (3,032)						$ (3,032)
Dividend equivalent units related to employee stock-based compensation plans	$ (17)				784		(801)
Issuance of common shares (in shares)	3,088,710			3,088,710
Issuance of common shares	$ 450			$ 618	(168)
Stock-based compensation expense	$ 20,296				20,296
Common stock repurchased (in shares)	(29,530,400)			(29,530,400)					(29,530,400)
Common stock repurchased	$ (536,038)								$ (536,038)
Shares repurchased related to employee stock-based compensation plans (in shares)	(1,130,903)			(1,130,903)					(1,130,903)
Shares repurchased related to employee stock-based compensation plans	$ (20,767)								$ (20,767)
Ending balance, shares issued (in shares) at Jun. 30, 2022			2,510,696	435,102,082
Ending balance (in shares) at Jun. 30, 2022									(183,717,942)
Ending balance (in shares) at Jun. 30, 2022				251,384,140
Ending balance at Jun. 30, 2022	1,976,810		$ 251,070	$ 87,021	1,095,296	(63,999)	3,225,610		$ (2,618,188)
Beginning balance, shares issued (in shares) at Mar. 31, 2022			2,510,696	434,608,189
Beginning balance (in shares) at Mar. 31, 2022									(163,524,633)
Beginning balance (in shares) at Mar. 31, 2022				271,083,556
Beginning balance at Mar. 31, 2022	2,044,207		$ 251,070	$ 86,922	1,086,852	(39,514)	2,913,544		$ (2,254,667)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	342,073						342,073
Other comprehensive (loss) income, net of tax	(24,485)					(24,485)
Total comprehensive income	317,588
Cash dividends declared:
Common Stock	(28,083)						(28,083)
Preferred Stock		(1,757)						(1,757)
Dividend equivalent units related to employee stock-based compensation plans	$ (1)				166		(167)
Issuance of common shares (in shares)	493,893			493,893
Issuance of common shares	$ 2			$ 99	(97)
Stock-based compensation expense	$ 8,375				8,375
Common stock repurchased (in shares)	(19,997,008)			(19,997,008)					(19,997,008)
Common stock repurchased	$ (360,095)								$ (360,095)
Shares repurchased related to employee stock-based compensation plans (in shares)	(196,301)			(196,301)					(196,301)
Shares repurchased related to employee stock-based compensation plans	$ (3,426)								$ (3,426)
Ending balance, shares issued (in shares) at Jun. 30, 2022			2,510,696	435,102,082
Ending balance (in shares) at Jun. 30, 2022									(183,717,942)
Ending balance (in shares) at Jun. 30, 2022				251,384,140
Ending balance at Jun. 30, 2022	$ 1,976,810		$ 251,070	$ 87,021	1,095,296	(63,999)	3,225,610		$ (2,618,188)
Beginning balance, shares issued (in shares) at Dec. 31, 2022			2,510,696	435,121,140
Beginning balance (in shares) at Dec. 31, 2022	(194,400,000)								(194,445,696)
Beginning balance (in shares) at Dec. 31, 2022				240,675,444
Beginning balance at Dec. 31, 2022	$ 1,726,970		$ 251,070	$ 87,025	1,109,072	(93,870)	3,163,640		$ (2,789,967)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	383,583						383,583
Other comprehensive (loss) income, net of tax	10,306					10,306
Total comprehensive income	393,889
Cash dividends declared:
Common Stock	$ (51,938)						(51,938)
Preferred Stock		(8,337)						(8,337)
Issuance of common shares (in shares)	2,872,753			2,872,753
Issuance of common shares	$ (5)			$ 574	637		(1,216)
Stock-based compensation expense	$ 19,828				19,828
Common stock repurchased (in shares)	(16,389,696)			(16,389,696)					(16,389,696)
Common stock repurchased	$ (257,402)								$ (257,402)
Shares repurchased related to employee stock-based compensation plans (in shares)	(1,077,643)			(1,077,643)					(1,077,643)
Shares repurchased related to employee stock-based compensation plans	$ (16,641)								$ (16,641)
Ending balance, shares issued (in shares) at Jun. 30, 2023			2,510,696	437,993,893
Ending balance (in shares) at Jun. 30, 2023	(211,900,000)								(211,913,035)
Ending balance (in shares) at Jun. 30, 2023				226,080,858
Ending balance at Jun. 30, 2023	$ 1,806,364		$ 251,070	$ 87,599	1,129,537	(83,564)	3,485,732		$ (3,064,010)
Beginning balance, shares issued (in shares) at Mar. 31, 2023			2,510,696	437,644,884
Beginning balance (in shares) at Mar. 31, 2023									(195,395,127)
Beginning balance (in shares) at Mar. 31, 2023				242,249,757
Beginning balance at Mar. 31, 2023	1,827,095		$ 251,070	$ 87,530	1,121,082	(78,333)	3,250,478		$ (2,804,732)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	265,065						265,065
Other comprehensive (loss) income, net of tax	(5,231)					(5,231)
Total comprehensive income	259,834
Cash dividends declared:
Common Stock	$ (25,303)						(25,303)
Preferred Stock		$ (4,274)						$ (4,274)
Issuance of common shares (in shares)	349,009			349,009
Issuance of common shares	$ (2)			$ 69	163		(234)
Stock-based compensation expense	$ 8,292				8,292
Common stock repurchased (in shares)	(16,389,696)
Shares repurchased related to employee stock-based compensation plans (in shares)	(128,212)			(128,212)					(128,212)
Shares repurchased related to employee stock-based compensation plans	$ (1,876)								$ (1,876)
Ending balance, shares issued (in shares) at Jun. 30, 2023			2,510,696	437,993,893
Ending balance (in shares) at Jun. 30, 2023	(211,900,000)								(211,913,035)
Ending balance (in shares) at Jun. 30, 2023				226,080,858
Ending balance at Jun. 30, 2023	$ 1,806,364		$ 251,070	$ 87,599	$ 1,129,537	$ (83,564)	$ 3,485,732		$ (3,064,010)