Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash Flows From Operating Activities
Net income (Loss)	$ 22,587	$ (7,162)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Realized (gain) loss on RMBS, net	256	(320)
Realized gain (loss) on investments in Excess MSRs, net	(6,678)	0
Accretion of premium and other amortization	1,419	853
Change in fair value of investments in Servicing Related Assets	(12,312)	4,539
Unrealized (gain) loss on derivatives, net	(1,082)	5,198
Realized (gain) loss on derivatives, net	1,017	1,461
LTIP-OP Unit awards	135	147
Changes in:
Receivables and other assets	2,012	(1,474)
Due to affiliate	443	51
Payables for unsettled trades	251,590	0
Accrued expenses and other liabilities	(425)	(8)
Net cash provided by (used in) operating activities	258,962	3,285
Cash Flows From Investing Activities
Purchase of RMBS	(491,869)	(27,340)
Principal paydown of RMBS	17,104	10,755
Proceeds from sale of RMBS	7,610	23,467
Principal paydown of Excess MSRs	0	4,912
Proceeds from sale of Excess MSRs	35,905	0
Acquisition of MSRs	(32,350)	(4,252)
Purchase of derivatives	(408)	(1,458)
Net cash provided by (used in) investing activities	(464,008)	6,084
Cash Flows From Financing Activities
Changes in restricted cash	15,384	(2,964)
Borrowings under repurchase agreements	784,497	436,447
Repayments of repurchase agreements	(605,795)	(423,633)
Proceeds from Federal Home Loan Bank advances	0	7,000
Repayments of Federal Home Loan Bank advances	0	(22,000)
Proceeds from bank loans	2,000	0
Principal paydown of bank loans	(8,886)	(476)
Dividends paid	(3,687)	(3,684)
LTIP-OP Units distributions paid	(91)	(51)
Issuance of common stock, net of offering costs	80,915	38
Net cash provided by (used in) financing activities	264,337	(9,323)
Net Increase (Decrease) in Cash and Cash Equivalents	59,291	46
Cash and Cash Equivalents, Beginning of Period	15,824	10,603
Cash and Cash Equivalents, End of Period	75,115	10,649
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest expense	1,800	1,494
Dividends declared but not paid	$ 3,687	$ 3,684