Combined Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income (loss)	$ (7,500)	$ 86,659
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
(Gain) loss on extinguishment of debt	(5,382)	0
Depreciation and amortization	19,057	19,677
Unrealized (gain) loss on derivative instruments	23,656	(5,351)
Unrealized (gain) loss on Agency interest-only securities	(76)	1,369
Provision for loan losses	300	300
Amortization of equity based compensation	8,118	7,214
Amortization of deferred financing costs included in interest expense	4,288	2,899
Amortization of premium on mortgage loan financing	(437)	(431)
Amortization of above- and below-market lease intangibles	35	803
Amortization of premium/(accretion) of discount and other fees on loans	(4,914)	(5,608)
Amortization of premium/(accretion) of discount and other fees on securities	36,591	47,808
Realized gain on sale of mortgage loan receivables held for sale	(10,625)	(44,551)
Realized (gain) loss on real estate securities	(2,398)	(23,167)
Realized gain on sale of real estate, net	(10,968)	(14,940)
Realized gain on sale of derivative instruments	(24)	0
Origination and purchases of mortgage loan receivables held for sale	(361,324)	(1,132,259)
Repayment of mortgage loan receivables held for sale	699	542
Proceeds from sales of mortgage loan receivables held for sale	359,561	1,086,513
Income from investments in unconsolidated joint ventures in excess of distributions received	(626)	(605)
Distributions from operations of investment in unconsolidated joint ventures	1,017	282
Deferred tax asset	(6,693)	(755)
Changes in operating assets and liabilities:
Accrued interest receivable	1,609	4,090
Other assets	(28,283)	(1,912)
Accrued expenses and other liabilities	(29,943)	(28,513)
Net cash provided by (used in) operating activities	(14,262)	64
Cash flows from investing activities:
Reduction (addition) of cash collateral held by broker for derivatives	(25,538)	5,442
Purchase of derivative instruments	(73)	0
Sale of derivative instruments	49	0
Purchases of real estate securities	(530,476)	(353,828)
Repayment of real estate securities	135,614	114,848
Proceeds from sales of real estate securities	124,050	726,986
Sale of FHLB stock	0	2,409
Origination and purchases of mortgage loan receivables held for investment	(174,481)	(653,662)
Repayment of mortgage loan receivables held for investment	373,857	439,216
Reduction (addition) of cash collateral held by broker	5,832	(7,459)
Addition (reduction) of deposits received for loan originations	689	1,809
Title deposits included in other assets	18,081	(10,604)
Distributions received from investments in unconsolidated joint ventures in excess of income	49	3,372
Capitalization of interest on investment in unconsolidated joint ventures	(420)	0
Purchases of real estate	(16,008)	(140,234)
Capital improvements of real estate	(3,249)	(1,390)
Proceeds from sale of real estate	37,614	63,778
Net cash provided by (used in) investing activities	(54,410)	190,683
Cash flows from financing activities:
Deferred financing costs paid	(1,195)	(1,308)
Proceeds from borrowings under debt obligations	6,151,959	8,807,532
Repayment of borrowings under debt obligations	(6,027,672)	(8,902,700)
Cash dividends paid to Class A common shareholders	(49,843)	(25,237)
Payment of liability assumed in exchange for shares for the minimum withholding taxes on vesting restricted stock	(786)	(3,794)
Purchase of treasury stock	(4,652)	0
Net cash provided by (used in) financing activities	41,128	(164,088)
Net increase (decrease) in cash	(27,544)	26,659
Cash and cash equivalents at beginning of period	108,959	76,218
Cash and cash equivalents at end of period	81,415	102,877
Supplemental information:
Cash paid for interest, net of amounts capitalized	55,505	52,390
Cash paid for income taxes	13,642	19,688
Non-cash investing and financing activities:
Securities and derivatives purchased, not settled	(31)	(17,898)
Securities sold, not settled	5,583	0
Origination of mortgage loans receivable held for investment	36,878	0
Repayment of mortgage loans receivable held for investment	(36,878)	0
Exchange of noncontrolling interest for common stock	28,328	15,688
Change in deferred tax asset related to change in tax receivable agreement	(772)	561
Dividends declared, not paid	1,179	0
Stock dividends	64,100	0
Operating Partnership
Cash flows from financing activities:
Capital contributed by noncontrolling interests in operating partnership	250	0
Capital distributed to noncontrolling interests in operating partnership	(26,704)	(38,423)
Consolidated Joint Venture
Cash flows from financing activities:
Capital contributed by noncontrolling interests in operating partnership	0	74
Capital distributed to noncontrolling interests in operating partnership	$ (229)	$ (232)