CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands		Total	Series C Preferred Stock	Series B Preferred Stock	Preferred Stock Series C Preferred Stock	Preferred Stock Series B Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Deficit Series C Preferred Stock	Accumulated Deficit Series B Preferred Stock	Accumulated Other Comprehensive Income
Preferred stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2021					11,000,000	8,000,000
Common stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2021							108,138,000
Beginning balance at Dec. 31, 2021		$ 2,542,848			$ 110	$ 80	$ 1,082	$ 3,775,482	$ (1,279,484)			$ 45,578
Increase (Decrease) in Stockholders' Equity
Net Income (loss)		(82,906)							(82,906)
Issuance of common stock, net of expenses (in shares)							150,000
Issuance of common stock, net of expenses		486					$ 1	485
Repurchase of shares of common stock (in shares)	[1]						3,252,000
Repurchase of shares of common stock	[1]	(55,742)					$ (33)	(55,709)
Equity based compensation expense		2,642						2,642
Change in accrued dividends attributable to stock-based awards		(76)						74	(150)
Dividends declared on common stock		(46,215)							(46,215)
Dividends declared on preferred stock			$ (4,469)	$ (3,750)						$ (4,469)	$ (3,750)
Dividends attributable to dividend equivalents		(141)							(141)
Change in unrealized gains/ (losses) on securities, net		(4,977)										(4,977)
Changes in fair value of financing agreements at fair value due to changes in instrument-specific credit risk		1,255										1,255
Preferred stock, shares outstanding, ending balance (in shares) at Mar. 31, 2022					11,000,000	8,000,000
Common stock, shares outstanding, ending balance (in shares) at Mar. 31, 2022							105,036,000
Ending balance at Mar. 31, 2022		2,348,955			$ 110	$ 80	$ 1,050	3,722,974	(1,417,115)			41,856
Preferred stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2021					11,000,000	8,000,000
Common stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2021							108,138,000
Beginning balance at Dec. 31, 2021		2,542,848			$ 110	$ 80	$ 1,082	3,775,482	(1,279,484)			45,578
Increase (Decrease) in Stockholders' Equity
Net Income (loss)		$ (238,291)
Repurchase of shares of common stock (in shares)		6,476,746
Dividends declared on preferred stock		$ (24,656)
Changes in fair value of financing agreements at fair value due to changes in instrument-specific credit risk		1,255
Preferred stock, shares outstanding, ending balance (in shares) at Sep. 30, 2022					11,000,000	8,000,000
Common stock, shares outstanding, ending balance (in shares) at Sep. 30, 2022							101,797,000
Ending balance at Sep. 30, 2022		2,033,931			$ 110	$ 80	$ 1,018	3,681,784	(1,680,129)			31,068
Preferred stock, shares outstanding, beginning balance (in shares) at Mar. 31, 2022					11,000,000	8,000,000
Common stock, shares outstanding, beginning balance (in shares) at Mar. 31, 2022							105,036,000
Beginning balance at Mar. 31, 2022		2,348,955			$ 110	$ 80	$ 1,050	3,722,974	(1,417,115)			41,856
Increase (Decrease) in Stockholders' Equity
Net Income (loss)		(100,367)							(100,367)
Issuance of common stock, net of expenses (in shares)							38,000
Issuance of common stock, net of expenses		553					$ 1	552
Repurchase of shares of common stock (in shares)	[1]						3,281,000
Repurchase of shares of common stock	[1]	(47,512)					$ (33)	(47,479)
Equity based compensation expense		3,540						3,540
Change in accrued dividends attributable to stock-based awards		(662)						(509)	(153)
Dividends declared on common stock		(44,789)							(44,789)
Dividends declared on preferred stock			(4,469)	(3,750)						(4,469)	(3,750)
Dividends attributable to dividend equivalents		(174)							(174)
Change in unrealized gains/ (losses) on securities, net		(4,937)										(4,937)
Preferred stock, shares outstanding, ending balance (in shares) at Jun. 30, 2022					11,000,000	8,000,000
Common stock, shares outstanding, ending balance (in shares) at Jun. 30, 2022							101,793,000
Ending balance at Jun. 30, 2022		2,146,388			$ 110	$ 80	$ 1,018	3,679,078	(1,570,817)			36,919
Increase (Decrease) in Stockholders' Equity
Net Income (loss)		(55,018)							(55,018)
Issuance of common stock, net of expenses (in shares)							4,000
Issuance of common stock, net of expenses		33						33
Equity based compensation expense		2,673						2,673
Change in accrued dividends attributable to stock-based awards		(1,110)							(1,110)
Dividends declared on common stock		(44,791)							(44,791)
Dividends declared on preferred stock		(8,218)	$ (4,469)	$ (3,750)						(4,469)	(3,750)
Dividends attributable to dividend equivalents		(174)							(174)
Change in unrealized gains/ (losses) on securities, net		(5,851)										(5,851)
Changes in fair value of financing agreements at fair value due to changes in instrument-specific credit risk		0
Preferred stock, shares outstanding, ending balance (in shares) at Sep. 30, 2022					11,000,000	8,000,000
Common stock, shares outstanding, ending balance (in shares) at Sep. 30, 2022							101,797,000
Ending balance at Sep. 30, 2022		$ 2,033,931			$ 110	$ 80	$ 1,018	3,681,784	(1,680,129)			31,068
Preferred stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2022			11,000,000	8,000,000	11,000,000	8,000,000
Common stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2022		101,802,000					101,802,000
Beginning balance at Dec. 31, 2022		$ 1,988,849			$ 110	$ 80	$ 1,018	3,684,291	(1,717,991)			21,341
Increase (Decrease) in Stockholders' Equity
Net Income (loss)		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)	[2]						58,000
Repurchase of shares of common stock	[2]	(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			$ (4,469)	$ (3,750)						(4,469)	(3,750)
Dividends attributable to dividend equivalents		(86)							(86)
Change in unrealized gains/ (losses) on securities, net		(1,116)										(1,116)
Preferred stock, shares outstanding, ending balance (in shares) at Mar. 31, 2023					11,000,000	8,000,000
Common stock, shares outstanding, ending balance (in shares) at Mar. 31, 2023							101,912,000
Ending balance at Mar. 31, 2023		$ 2,018,606			$ 110	$ 80	$ 1,019	3,687,285	(1,690,113)			20,225
Preferred stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2022			11,000,000	8,000,000	11,000,000	8,000,000
Common stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2022		101,802,000					101,802,000
Beginning balance at Dec. 31, 2022		$ 1,988,849			$ 110	$ 80	$ 1,018	3,684,291	(1,717,991)			21,341
Increase (Decrease) in Stockholders' Equity
Net Income (loss)		$ (9,582)
Repurchase of shares of common stock (in shares)		0
Dividends declared on preferred stock		$ (24,656)
Changes in fair value of financing agreements at fair value due to changes in instrument-specific credit risk		$ 0
Preferred stock, shares outstanding, ending balance (in shares) at Sep. 30, 2023			11,000,000	8,000,000	11,000,000	8,000,000
Common stock, shares outstanding, ending balance (in shares) at Sep. 30, 2023		101,916,000					101,916,000
Ending balance at Sep. 30, 2023		$ 1,848,516			$ 110	$ 80	$ 1,019	3,695,406	(1,862,452)			14,353
Preferred stock, shares outstanding, beginning balance (in shares) at Mar. 31, 2023					11,000,000	8,000,000
Common stock, shares outstanding, beginning balance (in shares) at Mar. 31, 2023							101,912,000
Beginning balance at Mar. 31, 2023		2,018,606			$ 110	$ 80	$ 1,019	3,687,285	(1,690,113)			20,225
Increase (Decrease) in Stockholders' Equity
Net Income (loss)		(25,928)							(25,928)
Issuance of common stock, net of expenses (in shares)							4,000
Issuance of common stock, net of expenses		16						16
Repurchase of shares of common stock	[2]	0
Equity based compensation expense		3,932						3,932
Change in accrued dividends attributable to stock-based awards		(1,044)							(1,044)
Dividends declared on common stock		(35,671)							(35,671)
Dividends declared on preferred stock			$ (4,469)	$ (3,750)						(4,469)	(3,750)
Dividends attributable to dividend equivalents		(118)							(118)
Change in unrealized gains/ (losses) on securities, net		(6,805)										(6,805)
Preferred stock, shares outstanding, ending balance (in shares) at Jun. 30, 2023					11,000,000	8,000,000
Common stock, shares outstanding, ending balance (in shares) at Jun. 30, 2023							101,916,000
Ending balance at Jun. 30, 2023		1,944,769			$ 110	$ 80	$ 1,019	3,691,233	(1,761,093)			13,420
Increase (Decrease) in Stockholders' Equity
Net Income (loss)		(56,438)							(56,438)
Issuance of common stock, net of expenses		(20)						(20)
Repurchase of shares of common stock	[2]	0
Equity based compensation expense		4,193						4,193
Change in accrued dividends attributable to stock-based awards		(912)							(912)
Dividends declared on common stock		(35,671)							(35,671)
Dividends declared on preferred stock		(8,219)	$ (4,469)	$ (3,750)						$ (4,469)	$ (3,750)
Dividends attributable to dividend equivalents		(119)							(119)
Change in unrealized gains/ (losses) on securities, net		933										933
Changes in fair value of financing agreements at fair value due to changes in instrument-specific credit risk		$ 0
Preferred stock, shares outstanding, ending balance (in shares) at Sep. 30, 2023			11,000,000	8,000,000	11,000,000	8,000,000
Common stock, shares outstanding, ending balance (in shares) at Sep. 30, 2023		101,916,000					101,916,000
Ending balance at Sep. 30, 2023		$ 1,848,516			$ 110	$ 80	$ 1,019	$ 3,695,406	$ (1,862,452)			$ 14,353

[1] For the nine months ended September 30, 2022 includes approximately $1.0 million (56,690 shares) surrendered for tax purposes related to equity-based compensation awards.

[2] For the nine months ended September 30, 2023 includes approximately $600,000 (58,505 shares) surrendered for tax purposes related to equity-based compensation awards.