CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock Par Value	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Cumulative Earnings	Cumulative Distributions to Stockholders	Series A Preferred Stock Par Value	Series A Preferred Stock Par Value Preferred Stock	Series B Preferred Stock Par Value	Series B Preferred Stock Par Value Preferred Stock	Series C Preferred Stock Par Value	Series C Preferred Stock Par Value Preferred Stock	Series D Preferred Stock Par Value	Series D Preferred Stock Par Value Preferred Stock
Beginning Balance at Dec. 31, 2020	$ 3,779,386	$ 2,306	$ 4,538,029	$ 558,096	$ 3,881,894	$ (5,201,311)		$ 58		$ 130		$ 104		$ 80
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	157,591				157,591
Other comprehensive income (loss)	(64,445)			(64,445)
Repurchase of common stock	(1,828)	(2)	(1,826)
Settlement of warrants	(219,840)		(219,840)
Stock based compensation	4,058	2	4,056
Common dividends declared	(69,986)					(69,986)
Preferred dividends declared	(18,438)					(18,438)	$ (3,000)		$ (7,000)		$ (5,000)		$ (4,000)
Ending Balance at Mar. 31, 2021	3,566,498	2,306	4,320,419	493,651	4,039,485	(5,289,735)		58		130		104		80
Beginning Balance at Dec. 31, 2021	3,736,191	2,370	4,359,045	405,054	4,552,008	(5,582,658)		58		130		104		80
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(262,794)
Other comprehensive income (loss)	(40,955)			(40,955)
Repurchase of common stock	0
Stock based compensation	1,295		1,295
Common dividends declared	(78,601)					(78,601)
Preferred dividends declared	(18,408)					(18,408)	$ (3,000)		$ (7,000)		$ (5,000)		$ (4,000)
Ending Balance at Mar. 31, 2022	$ 3,336,728	$ 2,370	$ 4,360,340	$ 364,099	$ 4,289,214	$ (5,679,667)		$ 58		$ 130		$ 104		$ 80