CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net income (loss)	$ 1,037	$ (13,349)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities
Investment and derivative loss, net	(778)	17,108
Net (discount) premium (accretion) amortization	(7,607)	(2,742)
Other	4,959	1,700
Changes in operating assets
Interest receivable	(299)	892
Other assets	(1,575)	(339)
Changes in operating liabilities
Interest payable and other liabilities	2,641	2,178
Accrued compensation and benefits	(739)	(509)
Net cash (used in) provided by operating activities	(2,361)	4,939
Cash flows from investing activities:
Purchases of credit securities	(128,779)	(28,356)
Purchases of MSR financing receivables	(61,693)	(96,157)
Purchases of single-family residential real estate	(134,391)	(9,419)
Purchases of loans		(29,967)
Proceeds from sales of agency mortgage-backed securities	654,294	724,611
Proceeds from sales of credit securities	10,395	31,702
Proceeds from sales of single-family residential real estate	128,784
Receipt of principal payments on agency mortgage-backed securities	27,807	49,938
Receipt of principal payments on credit securities	6,223	70
Receipt of principal payments on loans	321	45,167
Receipt of principal payments on mortgage loans of consolidated VIE	34,267	78,861
Receipt of distributions on MSR financing receivables	68,601	3,816
Restricted cash balance of VIE upon consolidation	9,637
Proceeds from (payments for) derivatives and deposits, net	8,559	(2,481)
Other	6,233	4,555
Net cash provided by investing activities	48,147	164,681
Cash flows from financing activities:
Repayments of repurchase agreements, net	(16,714)	(101,229)
Repayments of secured debt of consolidated VIE	(38,496)	(86,467)
Repurchase of common stock	(8,232)	(8,109)
Repurchase of preferred stock	(3,389)
Proceeds from issuance of preferred stock	149	559
Proceeds from long-term debt secured by single-family properties	99,371	0
Issuance of long-term unsecured debt		36,316
Redemption of long-term unsecured debt		(23,821)
Repayments of long-term debt secured by single-family properties	(81,790)
Repurchase of long-term unsecured debt		(7)
Dividends paid	(2,124)	(2,177)
Net cash used in financing activities	(51,225)	(184,935)
Net decrease in cash, cash equivalents and restricted cash	(5,439)	(15,315)
Cash, cash equivalents and restricted cash, beginning of period	21,786	39,965
Cash, cash equivalents and restricted cash, end of period	16,347	24,650
Supplemental cash flow information:
Cash payments for interest	12,134	6,111
Cash payments for income taxes	1,641
Non Cash Investing And Financing activity
Assets of VIE upon consolidation	287,282
Liabilities of VIE upon consolidation	266,697
Agency MBS
Cash flows from investing activities:
Purchases of agency mortgage-backed securities	$ (582,111)	$ (607,659)