Consolidated Statement of Cash Flows - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Cash flows provided by (used in) operating activities:
Net cash provided by (used in) operating activities		$ (48,662)	$ 32,931
Cash Flows from Investing Activities:
Purchase of securities		(440,666)	(388,759)
Purchase of loans		(675,665)	(1,003,464)
Capital improvements of real estate owned		(26)	0
Proceeds from disposition of securities		507,153	412,385
Proceeds from disposition of loans		0	19,520
Contributions to investments in unconsolidated entities		(5,654)	(2,678)
Distributions from investments in unconsolidated entities		42,530	110,042
Proceeds from disposition of real estate owned		13,082	499
Proceeds from principal payments of securities		38,440	93,950
Proceeds from principal payments of loans		536,983	143,039
Proceeds from investments sold short		127,172	327,126
Repurchase of securities sold short		(180,963)	(358,377)
Payments on financial derivatives		(93,263)	(17,257)
Proceeds from financial derivatives		70,235	40,427
Payments made on reverse repurchase agreements		(10,437,812)	(8,765,502)
Proceeds from reverse repurchase agreements		10,484,229	8,757,165
Due from brokers, net		56	16,941
Due to brokers, net		(4,557)	22,484
Net cash provided by (used in) investing activities		(18,726)	(592,459)
Cash flows provided by (used in) financing activities:
Net proceeds from issuance of common stock	[1]	60,611	38,524
Proceeds from Issuance of Preferred Stock and Preference Stock	[1]	96,850	506
Offering costs paid		(45)	(540)
Payments for Repurchase of Common Stock		(12,072)	0
Dividends paid		(33,981)	(29,105)
Contributions from non-controlling interests		816	6,424
Distributions to non-controlling interests		(1,065)	(9,181)
Proceeds from issuance of other secured borrowings		400,278	11,632
Principal payments on other secured borrowings		(380,616)	(16,593)
Borrowings under repurchase agreements		9,785,538	2,210,217
Repayments of repurchase agreements		(9,967,872)	(1,918,489)
Proceeds from Issuance of Unsecured Debt		0	210,000
Proceeds from Issuance of Other Secured Borrowings, at fair value		0	358,388
Proceeds from issuance of HMBS		332,845	0
Due from brokers, net		13,355	(31,357)
Due to brokers, net		3,419	(30)
Net cash provided by (used in) financing activities		35,675	830,396
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash		(31,713)	270,868
Cash, Cash Equivalents, and Restricted Cash, Beginning of Period		221,869	92,836
Cash, Cash Equivalents, and Restricted Cash, End of Period		190,156	363,704
Supplemental disclosure of cash flow information:
Interest paid		67,143	14,838
Income tax paid		(518)	(24)
Dividends payable		14,043	11,615
Transfers from mortgage loans to real estate owned (non-cash)		3,134	948
Transfers from mortgage loans to other sales and claims receivable (non-cash)		10,501	0
Transfers from mortgage loans to investments in non-consolidated entities (non-cash)		17,175	129,912
Purchase of investments (non-cash)		(25,580)	0
Contributions to investments in non-consolidated entities (non-cash)		(7,957)	0
Purchase of Loans Non Cash		72,257	0
Principal payments on Other secured borrowings, at fair value (non-cash)		(35,371)	(114,117)
Proceeds received from Other secured borrowings, at fair value (non-cash)		0	44,381
Principal payments on Other secured borrowings (non-cash)		0	(43,720)
Proceeds from issuance of Other secured borrowings (non-cash)		67,921	0
Proceeds from principal payments of investments (non-cash)		35,371	121,587
Proceeds from the disposition of loans (non-cash)		174,181	0
Repayments of repurchase agreement (non-cash)		(141,453)	(43,853)
Principal payments on HMBS related obligations, at fair value		262,386	0
Cash and Cash Equivalents, at Carrying Value		188,555	363,529
Restricted cash		$ 1,601	$ 175

[1] Net of discounts and commissions.