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, 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)	(610,266)				(610,266)
Other comprehensive income (loss)	(160,850)			(160,850)
Repurchase of common stock	(48,886)	(54)	(48,832)
Stock based compensation	4,731	2	4,729
Common dividends declared	(211,933)					(211,933)
Preferred dividends declared	(55,283)					(55,283)	$ (9,000)		$ (20,000)		$ (15,000)		$ (12,000)
Ending Balance at Sep. 30, 2022	2,653,704	2,318	4,314,942	244,204	3,941,742	(5,849,874)		58		130		104		80
Beginning Balance at Jun. 30, 2022	2,972,999	2,317	4,312,604	305,730	4,127,887	(5,775,911)		58		130		104		80
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(186,145)				(186,145)
Other comprehensive income (loss)	(61,526)			(61,526)
Stock based compensation	2,339	1	2,338
Common dividends declared	(55,525)					(55,525)
Preferred dividends declared	(18,438)					(18,438)	(3,000)		(7,000)		(5,000)		(4,000)
Ending Balance at Sep. 30, 2022	2,653,704	2,318	4,314,942	244,204	3,941,742	(5,849,874)		58		130		104		80
Beginning Balance at Dec. 31, 2022	2,666,803	2,318	4,318,388	229,345	4,038,942	(5,922,562)		58		130		104		80
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	95,560				95,560
Other comprehensive income (loss)	(48,118)			(48,118)
Repurchase of common stock	(33,102)	(59)	(33,043)
Stock based compensation	6,439	9	6,430
Common dividends declared	(137,812)					(137,812)
Preferred dividends declared	(55,313)					(55,313)	(9,000)		(20,000)		(15,000)		(12,000)
Ending Balance at Sep. 30, 2023	2,494,457	2,268	4,291,775	181,227	4,134,502	(6,115,687)		58		130		104		80
Beginning Balance at Jun. 30, 2023	2,579,403	2,263	4,289,449	210,674	4,132,332	(6,055,687)		58		130		104		80
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	2,170				2,170
Other comprehensive income (loss)	(29,447)			(29,447)
Stock based compensation	2,331	5	2,326
Common dividends declared	(41,562)					(41,562)
Preferred dividends declared	(18,438)					(18,438)	$ (3,000)		$ (7,000)		$ (5,000)		$ (4,000)
Ending Balance at Sep. 30, 2023	$ 2,494,457	$ 2,268	$ 4,291,775	$ 181,227	$ 4,134,502	$ (6,115,687)		$ 58		$ 130		$ 104		$ 80