CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME/(LOSS) (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income/(loss)	$ 72,784	$ (82,906)
Other Comprehensive Income/(Loss):
Unrealized losses on securities available-for-sale	(1,116)	(4,977)
Changes in fair value of financing agreements at fair value due to changes in instrument-specific credit risk	0	1,255
Other Comprehensive (Loss)	(1,116)	(3,722)
Comprehensive income/(loss) before preferred stock dividends	71,668	(86,628)
Dividends required on preferred stock	(8,219)	(8,219)
Comprehensive Income/(Loss) Available to Common Stock and Participating Securities	$ 63,449	$ (94,847)