Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash Flows From Operating Activities
Net income (loss)	$ (51,247)	$ 76,583
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Realized (gain) loss on RMBS, available-for-sale, net	(275)	5,430
Unrealized (gain) loss on investments in Servicing Related Assets	108,731	(18,351)
Realized gain on acquired assets, net	(54)	0
Realized (gain) loss on derivatives, net	(4,786)	2,727
Unrealized (gain) loss on derivatives, net	14,224	(34,442)
Realized (gain) on TBA dollar rolls, net	(1,232)	(865)
Amortization of premiums on RMBS, available-for-sale	8,683	10,906
Amortization of deferred financing costs	587	124
LTIP-OP Unit awards	741	494
Changes in:
Receivables and other assets	(16,075)	(3,393)
Due to affiliates	1,136	741
Accrued interest on derivatives	(4,468)	(855)
Dividends payable	(2,996)	1,823
Accrued expenses and other liabilities	(2,839)	10,309
Net cash provided by operating activities	50,130	51,231
Cash Flows From Investing Activities
Purchase of RMBS	(895,596)	(396,216)
Principal paydown of RMBS	174,930	134,196
Proceeds from sale of RMBS	72,200	195,373
Acquisition of MSRs	(69,669)	(140,806)
Purchase of derivatives	(502)	(1,736)
Proceeds from sale of derivatives	24,454	57
Net cash used in investing activities	(694,183)	(209,132)
Cash Flows From Financing Activities
Borrowings under repurchase agreements	5,712,534	5,174,557
Repayments of repurchase agreements	(5,044,285)	(5,160,697)
Proceeds from derivative financing	(17,081)	17,561
Proceeds from bank loans	108,671	91,744
Principal paydown of bank loans	(108,850)	(1,548)
Dividends paid	(30,096)	(25,816)
LTIP-OP Units distributions paid	(402)	(264)
Conversion of OP units	(103)	0
Issuance of common stock, net of offering costs	4,073	60,374
Issuance of preferred stock, net of offering costs	49,642	6,593
Net cash provided by financing activities	674,103	162,504
Net Increase in Cash, Cash Equivalents and Restricted Cash	30,050	4,603
Cash, Cash Equivalents and Restricted Cash, Beginning of Period	40,019	56,495
Cash, Cash Equivalents and Restricted Cash, End of Period	70,069	61,098
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest expense	33,461	23,747
Dividends declared but not paid	$ 8,851	$ 9,096