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, 2022	$ 2,666,803	$ 773	$ 4,319,933	$ 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	723	4,293,320	181,227	4,134,502	(6,115,687)		58		130		104		80
Beginning Balance at Jun. 30, 2023	2,579,403	718	4,290,994	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	723	4,293,320	181,227	4,134,502	(6,115,687)		58		130		104		80
Beginning Balance at Dec. 31, 2023	2,558,919	804	4,370,130	185,668	4,165,046	(6,163,101)		58		130		104		80
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	322,577				322,577
Other comprehensive income (loss)	(2,022)			(2,022)
Stock based compensation	8,625	5	8,620
Common dividends declared	(86,812)					(86,812)
Preferred dividends declared	(63,975)					(63,975)	(9,000)		(25,000)		(15,000)		(15,000)
Ending Balance at Sep. 30, 2024	2,737,312	809	4,378,750	183,646	4,487,623	(6,313,888)		58		130		104		80
Beginning Balance at Jun. 30, 2024	2,641,268	805	4,375,538	174,102	4,351,164	(6,260,713)		58		130		104		80
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	136,459				136,459
Other comprehensive income (loss)	9,544			9,544
Stock based compensation	3,216	4	3,212
Common dividends declared	(30,388)					(30,388)
Preferred dividends declared	(22,787)					(22,787)	$ (3,000)		$ (9,000)		$ (5,000)		$ (6,000)
Ending Balance at Sep. 30, 2024	$ 2,737,312	$ 809	$ 4,378,750	$ 183,646	$ 4,487,623	$ (6,313,888)		$ 58		$ 130		$ 104		$ 80