Consolidated Statements of Shareholders' Equity Statement - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjusted Balance	Preferred Stock	Preferred Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Preferred Stock Including Additional Paid in Capital	Preferred Stock Including Additional Paid in Capital Cumulative Effect, Period of Adoption, Adjusted Balance	Common Stock	Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Additional Paid-in Capital	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjusted Balance
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of adoption accounting standard 2019-05	$ 527,153					$ 142,883		$ 209		$ 818,861		$ (35,779)		$ (399,021)
Balance, Preferred shares outstanding (in shares) at Dec. 31, 2018				5,954,594
Balance, Common shares outstanding at Dec. 31, 2018								20,939,073
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issuance, shares				833,736				3,664,418
Restricted stock granted, net of amortization								68,004
Stock Repurchased During Period, Shares								(1,709,271)
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation								(16,231)
Balance, Preferred shares outstanding (in shares) at Dec. 31, 2019				6,788,330	6,788,330
Balance, Common shares outstanding at Dec. 31, 2019								22,945,993	22,945,993
Balance at Dec. 31, 2018	527,153					142,883		$ 209		818,861		(35,779)		(399,021)
Balance at Dec. 31, 2018	(527,153)					(142,883)		(209)		(818,861)		35,779		399,021
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issuance, value	83,812					19,924		36		63,852
Preferred stock redemption charge	0
Restricted stock granted, net of amortization	1,206							1		1,205
Stock Repurchased During Period, Value	(25,034)							17		(25,017)
Adjustments for tax withholding on share-based compensation	(296)									(296)
Stock issuance costs	(258)									(258)
Net income (loss)	(152,668)													(152,668)
Dividends on preferred stock	(12,967)													(12,967)
Dividends on common stock	(47,545)													(47,545)
Other Comprehensive Income (Loss), Net of Tax	209,585											209,585
Balance at Dec. 31, 2019	582,988	$ (548)	$ 582,440			162,807	$ 162,807	229	$ 229	858,347	$ 858,347	173,806	$ 173,806	(612,201)	$ (548)	$ (612,749)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of adoption accounting standard 2019-05	$ 582,988	(548)	582,440			162,807	162,807	$ 229	229	858,347	858,347	173,806	173,806	(612,201)	(548)	(612,749)
Stock issuance, shares				4,460,000				558,583
Stock Redeemed or Called During Period, Shares				(4,000,000)
Restricted stock granted, net of amortization								239,661
Stock Repurchased During Period, Shares								(32,925)
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation								(13,342)
Balance, Preferred shares outstanding (in shares) at Dec. 31, 2020	7,248,330			7,248,330
Balance, Common shares outstanding at Dec. 31, 2020	23,697,970							23,697,970
Balance at Dec. 31, 2019	$ (582,988)	$ 548	$ (582,440)			(162,807)	$ (162,807)	$ (229)	$ (229)	(858,347)	$ (858,347)	(173,806)	$ (173,806)	612,201	$ 548	$ 612,749
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issuance, value	117,818					107,843		6		9,969
Stock Redeemed or Called During Period, Value	(100,000)					(96,086)
Preferred stock redemption charge	(3,914)													(3,914)
Restricted stock granted, net of amortization	1,823							2		1,821
Stock Repurchased During Period, Value	(372)									(372)
Adjustments for tax withholding on share-based compensation	(245)									(245)
Stock issuance costs	(25)									(25)
Net income (loss)	177,530													177,530
Dividends on preferred stock	(13,599)													(13,599)
Dividends on common stock	(38,372)													(38,372)
Other Comprehensive Income (Loss), Net of Tax	(93,545)											(93,545)
Balance at Dec. 31, 2020	633,453					174,564		237		869,495		80,261		(491,104)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of adoption accounting standard 2019-05	$ 633,453					174,564		$ 237		869,495		80,261		(491,104)
Stock issuance, shares								12,972,447
Stock Redeemed or Called During Period, Shares				(2,788,330)
Restricted stock granted, net of amortization								40,027
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation								(44,639)
Balance, Preferred shares outstanding (in shares) at Dec. 31, 2021	4,460,000			4,460,000
Balance, Common shares outstanding at Dec. 31, 2021	36,665,805							36,665,805
Balance at Dec. 31, 2020	$ (633,453)					(174,564)		$ (237)		(869,495)		(80,261)		491,104
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issuance, value	237,130							130		237,000
Stock Redeemed or Called During Period, Value	(69,708)					(66,721)
Preferred stock redemption charge	(2,987)													(2,987)
Restricted stock granted, net of amortization	1,816									1,816
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	700									700
Adjustments for tax withholding on share-based compensation	(853)									(853)
Stock issuance costs	(366)									(366)
Net income (loss)	102,261													102,261
Dividends on preferred stock	(8,329)													(8,329)
Dividends on common stock	(51,293)													(51,293)
Other Comprehensive Income (Loss), Net of Tax	(73,532)											(73,532)
Balance at Dec. 31, 2021	771,279					107,843		367		1,107,792		6,729		(451,452)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of adoption accounting standard 2019-05	$ 771,279					$ 107,843		$ 367		$ 1,107,792		$ 6,729		$ (451,452)