CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash Flows From Operating Activities:
Net income/(loss)	$ 46,856	$ (183,273)
Adjustments to reconcile net income/(loss) to net cash provided by operating activities:
Net (gain)/loss on residential whole loans	1,529	500,660
Impairment and other net (gain)/loss on securities and other portfolio investments, net	1,638	15,743
Net gain on real estate owned	(6,129)	(15,559)
Accretion of purchase discounts and amortization of purchase premiums on residential whole loans and securities	(10,336)	(6,846)
Provision for credit losses on residential whole loans and other assets	290	25,965
Net loss/(gain) on derivatives used for risk management purposes	5,861	(151,706)
Net loss/(gain) on securitized debt measured at fair value through earnings	17,938	(147,203)
Net margin (paid)/received for derivatives used for risk management purposes	30,384	102,718
Net other non-cash losses included in net income	12,291	16,406
(Increase)/decrease in other assets	(50,797)	60,039
Increase/(decrease) in other liabilities	15,602	(4,570)
Net cash provided by operating activities	65,127	212,374
Cash Flows From Investing Activities:
Purchases and origination of residential whole loans, loan related investments and capitalized advances	(1,340,773)	(1,964,553)
Proceeds from sales of residential whole loans	262,692	0
Principal payments on residential whole loans and loan related investments	694,992	1,134,500
Purchases of securities	(383,746)	0
Proceeds from sales of securities and other assets	0	369
Principal payments on securities	15,767	2,453
Proceeds from sales of real estate owned	66,175	81,442
Other investing activities	(7,323)	(4,305)
Net cash used in investing activities	(692,216)	(750,094)
Cash Flows From Financing Activities:
Principal payments on financing agreements with mark-to-market collateral provisions	(1,242,689)	(1,728,740)
Proceeds from borrowings under financing agreements with mark-to-market collateral provisions	1,422,773	1,791,390
Principal payments on other collateralized financing agreements	(939,646)	(1,261,737)
Proceeds from borrowings under other collateralized financing agreements	1,490,568	2,099,070
Payment made for other collateralized financing agreement related costs	(6,673)	(9,632)
Proceeds from issuances of common stock	34	1,122
Payments made for the repurchase of common stock through the stock repurchase program	0	(102,311)
Dividends paid on preferred stock	(16,438)	(16,438)
Dividends paid on common stock and dividend equivalents	(71,525)	(94,108)
Net cash provided by financing activities	636,404	678,616
Net increase in cash, cash equivalents and restricted cash	9,315	140,896
Cash, cash equivalents and restricted cash at beginning of period	494,081	404,447
Cash, cash equivalents and restricted cash at end of period	503,396	545,343
Supplemental Disclosure of Cash Flow Information
Interest paid	188,884	89,367
Non-cash Investing and Financing Activities:
Transfer from residential whole loans to real estate owned	49,181	45,217
Dividends and dividend equivalents declared and unpaid	35,789	44,963
Payable for purchase of unsettled Agency MBS	$ 30,931	$ 0