CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash Flows From Operating Activities:
Net income (loss)	$ (16,853)	$ 41,693
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Amortization of premiums, discounts, and debt issuance costs, net	17,389	9,149
Provision for loan losses	39,214	1,866
Impairment loss on real estate, held for sale	3,075	680
Change in repair and denial reserve	2,768	794
Net settlement of derivative instruments	(9,454)	(4,199)
Purchase of loans, held for sale, at fair value		(1,349)
Origination of loans, held for sale, at fair value	(2,282,920)	(1,084,686)
Proceeds from disposition and principal payments of loans, held for sale, at fair value	2,265,362	1,057,121
Realized gains, net	(122,336)	(44,778)
Unrealized losses, net	47,790	13,918
Gain on bargain purchase		(30,728)
Equity in net loss (income) of unconsolidated joint ventures, net of distributions	3,030	(5,012)
Foreign currency (gain) loss. net	(653)
Payoff of purchased future receivables, net of originations	7,387
Allowance for doubtful accounts on purchased future receivables	8,688
Net changes in operating assets and liabilities
Assets of consolidated VIEs (excluding loans, net), accrued interest and due from servicers	12,817	(10,084)
Receivable from third parties	940	6,125
Other assets	1,477	(8,652)
Accounts payable and other accrued liabilities	70,307	135
Net cash (used in) provided by operating activities	48,028	(58,007)
Cash Flow From Investing Activities:
Origination of loans	(473,834)	(567,955)
Purchase of loans	(53,053)	(501,417)
Purchase of mortgage backed securities, at fair value	(1,576)	(9,593)
Funding of unconsolidated joint ventures	(1,698)	(6,951)
Purchase of servicing rights		(894)
Proceeds on unconsolidated joint venture in excess of earnings recognized	3,579	6,466
Proceeds from disposition and principal payment of loans	371,699	379,493
Proceeds from sale and principal payment of mortgage backed securities, at fair value	8,546	5,453
Proceeds from sale of real estate	8,955	9,968
Cash acquired in connection with the ORM Merger		10,822
Net cash (used in) investing activities	(137,382)	(674,608)
Cash Flows From Financing Activities:
Proceeds from secured borrowings	3,626,223	2,509,321
Payment of secured borrowings	(3,561,787)	(2,366,918)
Proceeds from issuance of securitized debt obligations of consolidated VIEs	495,220	869,940
Payment of securitized debt obligations of consolidated VIEs	(168,042)	(202,085)
Payment of offering costs		(75)
Payment of guaranteed loan financing	(59,325)	(26,645)
Payment of deferred financing costs	(9,417)	(15,040)
Equity issuance, net of offering costs	13,364
Payment of contingent consideration		(1,207)
Distributions from non-controlling interests, net	(50)	(5)
Dividend payments	(25,427)	(26,742)
Payment of promissory note		(859)
Net cash (used in) provided by financing activities	310,759	739,685
Net increase (decrease) in cash, cash equivalents, and restricted cash	221,405	7,070
Cash, cash equivalents, and restricted cash at beginning of period	127,980	94,970
Cash, cash equivalents, and restricted cash at end of period	349,385	102,040
Supplemental disclosure of operating cash flow
Cash paid for interest	79,394	57,916
Cash (received) paid for income taxes		(2,749)
Stock-based compensation	1,121	1,026
Supplemental disclosure of non-cash investing activities
Loans transferred from Loans, held for sale, at fair value to Loans, net	509	750
Loans transferred to real estate owned	8,609
Deconsolidation of assets in securitization trusts		$ 177,815
Supplemental disclosure of non-cash financing activities
Dividends paid in stock	17,395
Common stock issued in connection with merger transactions (shares)		12,223,552
Deconsolidation of borrowings in securitization trusts		$ 177,815
Share-based component of incentive fees	53	233
Cash and restricted cash reconciliation
Cash and cash equivalents	257,017	41,925
Restricted cash	91,539	38,019
Cash, cash equivalents, and restricted cash in Assets of consolidated VIEs	829	22,096
Cash, cash equivalents, and restricted cash at end of period	$ 349,385	$ 102,040