CONSOLIDATED STATEMENTS OF EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjusted Balance	5.700% Non-Cumulative Preferred Stock, Series D	Series B	Class C non-voting common stock	Series E	5.250% Non-Cumulative Preferred Stock, Series F	Series A	Series G	Preferred Stock	Preferred Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Preferred Stock 5.700% Non-Cumulative Preferred Stock, Series D	Preferred Stock Series B	Preferred Stock Series E	Preferred Stock 5.250% Non-Cumulative Preferred Stock, Series F	Preferred Stock Series A	Preferred Stock Series G	Common Stock	Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Common Stock Class C non-voting common stock	Additional Paid-in Capital	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjusted Balance	Additional Paid-in Capital Class C non-voting common stock	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Cumulative Effect, Period of Adoption, Adjusted Balance	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings Cumulative Effect, Period of Adoption, Adjusted Balance	Retained Earnings Class C non-voting common stock
Beginning balance ( in shares) at Dec. 31, 2018											8,400								10,669
Beginning balance at Dec. 31, 2018	$ 752,557										$ 204,759								$ 10,669			$ 118,822			$ 24,956		$ 393,351
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2016-13 [Member]
Net income (loss)	$ 109,546																										109,546
Other comprehensive (loss)/income net of tax	(41,117)																								(41,117)
Cash dividends, preferred stock	(13,940)
Cash dividends, common stock	(29,954)
Issuance of common stock (in shares)													4,000								43
Issuance of common stock				$ 96,659		$ 87							$ 96,659								$ 43			$ 44
Redemption of stock (in shares)														(3,000)
Redemption of stock					$ (73,044)									$ (73,044)
Loss on retirement of preferred stock	(1,956)																										(1,956)
Stock-based compensation cost	2,258																					2,258
Other stock-based award activity	(1,820)																					(1,820)
Ending balance (in shares) at Dec. 31, 2019											9,400	9,400							10,712	10,712
Ending balance at Dec. 31, 2019	799,276	$ (2,099)	$ 797,177								$ 228,374	$ 228,374							$ 10,712	$ 10,712		119,304	$ 119,304		(16,161)	$ (16,161)	457,047	$ (2,099)	$ 454,948
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	108,648																										108,648
Other comprehensive (loss)/income net of tax	2,238																								2,238
Cash dividends, preferred stock	(17,805)
Cash dividends, common stock	(34,333)
Issuance of common stock (in shares)															3,180	4,800					29
Issuance of common stock						85	$ 77,003	$ 116,160							$ 77,003	$ 116,160					$ 29			56
Redemption of stock (in shares)																	(2,400)
Redemption of stock									$ (58,333)								$ (58,333)
Repurchase of Class C Common Stock (in shares)																					(4)
Repurchase of Class C Common Stock	(235)																				$ (4)									$ (231)
Loss on retirement of preferred stock	(1,667)																										(1,667)
Stock-based compensation cost	4,128																					4,128
Other stock-based award activity	(589)																					(589)
Ending balance (in shares) at Dec. 31, 2020											14,980								10,737
Ending balance at Dec. 31, 2020	992,477										$ 363,204								$ 10,737			122,899			(13,923)		509,560
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	132,260																										132,260
Other comprehensive (loss)/income net of tax	17,776																								17,776
Cash dividends, preferred stock	(24,677)
Cash dividends, common stock	(37,873)
Issuance of common stock (in shares)																		5,000			29
Issuance of common stock						$ 145				$ 121,327								$ 121,327			$ 29			$ 116
Loss on retirement of preferred stock	0
Stock-based compensation cost	4,310																					4,310
Other stock-based award activity	(1,332)																					(1,332)
Ending balance (in shares) at Dec. 31, 2021											19,980								10,766
Ending balance at Dec. 31, 2021	$ 1,204,413										$ 484,531								$ 10,766			$ 125,993			$ 3,853		$ 579,270