Consolidated Statements of Shareholders' Equity Statement - USD ($) $ in Thousands	Total	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, Adjusted Balance
Balance, Preferred shares outstanding (in shares) at Dec. 31, 2020				7,248,330
Balance, Common shares outstanding at Dec. 31, 2020								23,697,970
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issuance, shares			0				7,187,500
Stock Redeemed or Called During Period, Shares			(2,788,330)
Restricted stock granted, net of amortization							16,722
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation							(22,623)
Balance, Preferred shares outstanding (in shares) at Mar. 31, 2021				4,460,000
Balance, Common shares outstanding at Mar. 31, 2021								30,879,569
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	$ 128,150				$ 0		$ 72		$ 128,078
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	451						$ 0		451
Adjustments for tax withholding on share-based compensation	(428)								(428)
Stock issuance costs	(270)								(270)
Net income	117,929												117,929
Dividends on preferred stock	(2,559)												(2,559)
Dividends on common stock	(10,586)												(10,586)
Other Comprehensive Income (Loss), Net of Tax	$ (65,156)										$ (65,156)
Balance at Mar. 31, 2021		$ 731,276				$ 107,843		$ 309		$ 997,326		$ 15,105		$ (389,307)
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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issuance, shares							267,288
Restricted stock granted, net of amortization							40,196
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation							(15,407)
Balance, Preferred shares outstanding (in shares) at Mar. 31, 2022	4,460,000		4,460,000
Balance, Common shares outstanding at Mar. 31, 2022	36,957,882						36,957,882
Balance at Dec. 31, 2021	$ 771,279				107,843		$ 367		1,107,792		6,729		(451,452)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issuance, value	4,245						3		4,242
Preferred stock redemption charge	0
Restricted stock granted, net of amortization	451								451
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	395								395
Adjustments for tax withholding on share-based compensation	(236)								(236)
Stock issuance costs	(16)								(16)
Net income	117,209												117,209
Dividends on preferred stock	(1,923)												(1,923)
Dividends on common stock	(14,431)												(14,431)
Other Comprehensive Income (Loss), Net of Tax	(91,340)										(91,340)
Balance at Mar. 31, 2022	$ 785,633				$ 107,843		$ 370		$ 1,112,628		$ (84,611)		$ (350,597)