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	546,057						546,057
Other comprehensive (loss) income, net of tax	(75,580)					(75,580)
Total comprehensive income	470,477
Cash dividends declared:
Common Stock	(86,219)						(86,219)
Preferred Stock		$ (5,563)						$ (5,563)
Dividend equivalent units related to employee stock-based compensation plans	$ (557)				245		(802)
Issuance of common shares (in shares)	3,093,392			3,093,392
Issuance of common shares	$ 990			$ 619	371
Stock-based compensation expense	$ 27,050				26,761		289
Common stock repurchased (in shares)	(30,721,944)			(30,721,944)					(30,721,944)
Common stock repurchased	$ (552,887)								$ (552,887)
Shares repurchased related to employee stock-based compensation plans (in shares)	(1,131,351)			(1,131,351)					(1,131,351)
Shares repurchased related to employee stock-based compensation plans	$ (20,774)								$ (20,774)
Ending balance, shares issued (in shares) at Sep. 30, 2022			2,510,696	435,106,764
Ending balance (in shares) at Sep. 30, 2022									(184,909,934)
Ending balance (in shares) at Sep. 30, 2022				250,196,830
Ending balance at Sep. 30, 2022	1,982,228		$ 251,070	$ 87,022	1,101,761	(93,477)	3,270,896		$ (2,635,044)
Beginning balance, shares issued (in shares) at Jun. 30, 2022			2,510,696	435,102,082
Beginning balance (in shares) at Jun. 30, 2022									(183,717,942)
Beginning balance (in shares) at Jun. 30, 2022				251,384,140
Beginning balance at Jun. 30, 2022	1,976,810		$ 251,070	$ 87,021	1,095,296	(63,999)	3,225,610		$ (2,618,188)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	75,172						75,172
Other comprehensive (loss) income, net of tax	(29,478)					(29,478)
Total comprehensive income	45,694
Cash dividends declared:
Common Stock	(27,643)						(27,643)
Preferred Stock		(2,531)						(2,531)
Dividend equivalent units related to employee stock-based compensation plans	$ (540)				(539)		(1)
Issuance of common shares (in shares)	4,682			4,682
Issuance of common shares	$ 540			$ 1	539
Stock-based compensation expense	$ 6,754				6,465		289
Common stock repurchased (in shares)	(1,191,544)			(1,191,544)					(1,191,544)
Common stock repurchased	$ (16,849)								$ (16,849)
Shares repurchased related to employee stock-based compensation plans (in shares)	(448)			(448)					(448)
Shares repurchased related to employee stock-based compensation plans	$ (7)								$ (7)
Ending balance, shares issued (in shares) at Sep. 30, 2022			2,510,696	435,106,764
Ending balance (in shares) at Sep. 30, 2022									(184,909,934)
Ending balance (in shares) at Sep. 30, 2022				250,196,830
Ending balance at Sep. 30, 2022	$ 1,982,228		$ 251,070	$ 87,022	1,101,761	(93,477)	3,270,896		$ (2,635,044)
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	412,948						412,948
Other comprehensive (loss) income, net of tax	(7,445)					(7,445)
Total comprehensive income	405,503
Cash dividends declared:
Common Stock	$ (76,817)						(76,817)
Preferred Stock		(12,979)						(12,979)
Issuance of common shares (in shares)	3,073,639			3,073,639
Issuance of common shares	$ 2,624			$ 614	3,227		(1,217)
Stock-based compensation expense	$ 28,300				28,300
Common stock repurchased (in shares)	(16,389,696)			(16,389,696)					(16,389,696)
Common stock repurchased	$ (257,563)								$ (257,563)
Shares repurchased related to employee stock-based compensation plans (in shares)	(1,088,330)			(1,088,330)					(1,088,330)
Shares repurchased related to employee stock-based compensation plans	$ (16,814)								$ (16,814)
Ending balance, shares issued (in shares) at Sep. 30, 2023			2,510,696	438,194,779
Ending balance (in shares) at Sep. 30, 2023	(211,900,000)								(211,923,722)
Ending balance (in shares) at Sep. 30, 2023				226,271,057
Ending balance at Sep. 30, 2023	$ 1,799,224		$ 251,070	$ 87,639	1,140,599	(101,315)	3,485,575		$ (3,064,344)
Beginning balance, shares issued (in shares) at Jun. 30, 2023			2,510,696	437,993,893
Beginning balance (in shares) at Jun. 30, 2023									(211,913,035)
Beginning balance (in shares) at Jun. 30, 2023				226,080,858
Beginning balance at Jun. 30, 2023	1,806,364		$ 251,070	$ 87,599	1,129,537	(83,564)	3,485,732		$ (3,064,010)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	29,365						29,365
Other comprehensive (loss) income, net of tax	(17,751)					(17,751)
Total comprehensive income	11,614
Cash dividends declared:
Common Stock	$ (24,879)						(24,879)
Preferred Stock		$ (4,642)						$ (4,642)
Issuance of common shares (in shares)	200,886			200,886
Issuance of common shares	$ 2,629			$ 40	2,590		(1)
Stock-based compensation expense	$ 8,472				8,472
Common stock repurchased (in shares)	0
Common stock repurchased	$ (161)								$ (161)
Shares repurchased related to employee stock-based compensation plans (in shares)	(10,687)			(10,687)					(10,687)
Shares repurchased related to employee stock-based compensation plans	$ (173)								$ (173)
Ending balance, shares issued (in shares) at Sep. 30, 2023			2,510,696	438,194,779
Ending balance (in shares) at Sep. 30, 2023	(211,900,000)								(211,923,722)
Ending balance (in shares) at Sep. 30, 2023				226,271,057
Ending balance at Sep. 30, 2023	$ 1,799,224		$ 251,070	$ 87,639	$ 1,140,599	$ (101,315)	$ 3,485,575		$ (3,064,344)