Consolidated Statement Of Cash Flows - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH:
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		$ 21,324	$ 15,730
Reconciliation of the net increase (decrease) in equity resulting from operations to net cash provided by (used in) operating activities:
Net realized (gain) loss on investments, financial derivatives, and foreign currency transactions		(11,573)	1,786
Change in net unrealized (gain) loss on investments, other secured borrowings, financial derivatives, and foreign currency translation		988	(5,471)
Amortization of premiums and accretion of discounts (net)		9,933	3,884
Purchase of investments		(1,058,635)	(890,283)
Proceeds from disposition of investments		645,213	468,671
Proceeds from principal payments of investments		118,663	63,423
Proceeds from investments sold short		1,053,526	970,690
Repurchase of investments sold short		(994,295)	(777,500)
Payments on financial derivatives		(38,996)	(20,816)
Proceeds from financial derivatives		38,316	25,507
Amortization of deferred debt issuance costs		66	0
Share-based long term incentive plan unit expense		93	94
Interest income related to consolidated securitization trust	[1]	(944)	0
Interest expense related to consolidated securitization trust	[1]	944	0
Repurchase agreements		23,411	(108,983)
(Increase) decrease in assets:
Receivable for securities sold and financial derivatives		(46,126)	(105,129)
Due from brokers		44,855	35,778
Interest and principal receivable		(2,800)	(3,367)
Other assets		30,041	(1,905)
Increase (decrease) in liabilities:
Due to brokers		19,333	(7,268)
Payable for securities purchased and financial derivatives		22,816	225,367
Accounts payable and accrued expenses		(9)	402
Other liabilities		38	1,119
Interest and dividends payable		(736)	677
Base management fee payable to affiliate		(135)	(6)
Net cash provided by (used in) operating activities		(124,689)	(107,600)
Cash flows provided by (used in) financing activities:
Contributions from non-controlling interests		1,236	10,922
Shares repurchased		(13,966)	(2,052)
Dividends paid		(12,850)	(14,821)
Distributions to non-controlling interests		(6,848)	(195)
Proceeds from issuance of Other secured borrowings		18,910	43,629
Principal payments on Other secured borrowings		(4,939)	(1,628)
Borrowings under reverse repurchase agreements		896,028	3,050,318
Repayments of reverse repurchase agreements		(774,400)	(2,997,628)
Net cash provided by (used in) financing activities		103,171	88,545
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH(2)		(21,518)	(19,055)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	[2]	47,658	123,929
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	[2]	26,140	104,874
Supplemental disclosure of cash flow information:
Interest paid		12,252	4,658
Share-based long term incentive plan unit awards (non-cash)		93	94
Aggregate TBA trade activity (buys sells) (non-cash)		6,552,290	4,464,932
Purchase of investments (non-cash)		0	(16,328)
Proceeds from principal payments of investments (non-cash)		10,547	4,286
Proceeds from the disposition of investments (non-cash)		0	16,328
Principal payments on Other secured borrowings (non-cash)		0	(4,286)
Principal payments on Other secured borrowings, at fair value (non-cash)		$ (10,547)	$ 0

[1] Related to non-qualified mortgage securitization transaction. See Note 6 for further details.

[2] Conformed to current period presentation.