CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands		Total		Series B Preferred Stock	Series C Preferred Stock	Preferred Stock Series B Preferred Stock	Preferred Stock Series C Preferred Stock	Common Stock		Additional Paid-in Capital		Accumulated Deficit	Accumulated Deficit Series B Preferred Stock	Accumulated Deficit Series C Preferred Stock	Accumulated Other Comprehensive Income
Preferred stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2022						8,000,000	11,000,000
Common stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2022								101,802,000
Beginning balance at Dec. 31, 2022		$ 1,988,849				$ 80	$ 110	$ 1,018		$ 3,684,291		$ (1,717,991)			$ 21,341
Increase (Decrease) in Stockholders' Equity
Net income		72,784										72,784
Issuance of common stock, net of expenses (in shares)								168,000
Issuance of common stock, net of expenses		18						$ 1		17
Repurchase of shares of common stock (in shares)	[1]							(58,000)
Repurchase of shares of common stock	[1]	(599)								(599)
Equity based compensation expense		3,019								3,019
Change in accrued dividends attributable to stock-based awards		(375)								557		(932)
Dividends declared on common stock		(35,669)										(35,669)
Dividends declared on preferred stock		(8,219)		$ (3,750)	$ (4,469)								$ (3,750)	$ (4,469)
Dividends attributable to dividend equivalents		(86)										(86)
Change in unrealized gains on securities, net		(1,116)													(1,116)
Preferred stock, shares outstanding, ending balance (in shares) at Mar. 31, 2023						8,000,000	11,000,000
Common stock, shares outstanding, ending balance (in shares) at Mar. 31, 2023								101,912,000
Ending balance at Mar. 31, 2023		$ 2,018,606				$ 80	$ 110	$ 1,019		3,687,285		(1,690,113)			20,225
Preferred stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2023				8,000,000	11,000,000	8,000,000	11,000,000
Common stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2023		101,916,000						101,916,000
Beginning balance at Dec. 31, 2023		$ 1,899,915				$ 80	$ 110	$ 1,019		3,698,767		(1,817,759)			17,698
Increase (Decrease) in Stockholders' Equity
Net income		23,213										23,213
Issuance of common stock, net of expenses (in shares)								297,000
Issuance of common stock, net of expenses		$ (17)						$ 3		(20)
Repurchase of shares of common stock (in shares)		0						(131,000)	[2]
Repurchase of shares of common stock		$ (1,492)	[2]					$ (1)		(1,491)	[2]
Equity based compensation expense		5,986								5,986
Change in accrued dividends attributable to stock-based awards		(1,011)										(1,011)
Dividends declared on common stock		(35,729)										(35,729)
Dividends declared on preferred stock		(8,219)		$ (3,750)	$ (4,469)								$ (3,750)	$ (4,469)
Dividends attributable to dividend equivalents		(287)										(287)
Change in unrealized gains on securities, net		$ 1,828													1,828
Preferred stock, shares outstanding, ending balance (in shares) at Mar. 31, 2024				8,000,000	11,000,000	8,000,000	11,000,000
Common stock, shares outstanding, ending balance (in shares) at Mar. 31, 2024		102,082,000						102,082,000
Ending balance at Mar. 31, 2024		$ 1,884,187				$ 80	$ 110	$ 1,021		$ 3,703,242		$ (1,839,792)			$ 19,526

[1] For the three months ended March 31, 2023 includes approximately $0.6 million (58,505 shares) surrendered for tax purposes related to equity-based compensation awards.

[2] For the three months ended March 31, 2024 includes approximately $1.5 million (129,949 shares) surrendered for tax purposes related to equity-based compensation awards.