CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash Flows From Operating Activities:
Net income (loss)	$ (74,167)	$ 36,978
Net income (loss) from discontinued operations, net of tax	1,415	(1,531)
Net income (loss) from continuing operations	(75,582)	38,509
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Amortization of premiums, discounts, and debt issuance costs, net	30,322	9,718
Stock-based compensation	1,894	1,853
Recovery of loan losses	(26,544)	(6,734)
Impairment loss on real estate owned, held for sale	16,972	3,418
Repair and denial reserve	1,067	199
Provision for loan losses on purchased future receivables	1,206	1,594
Loans, held for sale, net	11,553	12,733
Valuation allowance, loans held for sale	146,180
Net loss of unconsolidated joint ventures, net of distributions	(85)	(60)
Realized (gains) losses, net	(18,107)	(12,111)
Unrealized (gains) losses, net	(4,639)	5,442
Changes in operating assets and liabilities:
Purchased future receivables, net	4,560	(3,916)
Derivative instruments	(1,383)	(4,115)
Assets of consolidated VIEs (excluding loans, net), accrued interest and due from servicers	(2,293)	(9,918)
Receivable from third parties	2,332	(4,891)
Other assets	(58,544)	(9,465)
Accounts payable and other accrued liabilities	(12,966)	(23,393)
Net cash provided by (used for) operating activities from continuing operations	15,943	(1,137)
Net cash provided by operating activities from discontinued operations	7,507	230
Net cash provided by (used for) operating activities	23,450	(907)
Cash Flows From Investing Activities:
Origination of loans	(206,063)	(283,368)
Proceeds from disposition and principal payment of loans	499,368	295,722
Funding of real estate, held for sale	(591)	(1,678)
Proceeds from sale of real estate, held for sale	1,310	33,761
Investment in unconsolidated joint ventures	(41)	(65)
Distributions in excess of cumulative earnings from unconsolidated joint ventures	717	4,597
Proceeds from liabilities under participation agreements	10,316
Payment of liabilities under participation agreements, net of proceeds received		(782)
Net cash provided by investing activities from continuing operations	305,016	48,187
Net cash used for investing activities from discontinued operations	(192)	(291)
Net cash provided by investing activities	304,824	47,896
Cash Flows From Financing Activities:
Proceeds from secured borrowings	924,896	1,542,661
Repayment of secured borrowings	(827,609)	(1,940,007)
Repayment of the Paycheck Protection Program Liquidity Facility borrowings	(7,688)	(31,415)
Proceeds from issuance of securitized debt obligations of consolidated VIEs		482,267
Repayment of securitized debt obligations of consolidated VIEs	(309,875)	(86,345)
Repayment of guaranteed loan financing	(48,264)	(31,563)
Payment of deferred financing costs	(4,909)	(9,321)
Payment of contingent consideration		(9,000)
Proceeds from issuance of equity, net of issuance costs		106
Common stock repurchased	(19,050)
Settlement of share-based awards in satisfaction of withholding tax requirements	(985)	(1,382)
Dividend payments	(54,428)	(47,176)
Distributions, net	(18)
Net cash used for financing activities from continuing operations	(347,930)	(131,175)
Net cash provided by (used for) financing activities from discontinued operations	(11,798)	33,863
Net cash used for financing activities	(359,728)	(97,312)
Net decrease in cash, cash equivalents, and restricted cash	(26,971)	(84,125)
Cash, cash equivalents, and restricted cash beginning balance	262,506	273,604
Cash, cash equivalents, and restricted cash ending balance	235,535	189,479
Supplemental disclosures:
Cash paid for interest	177,618	144,970
Cash paid for income taxes	215	134
Supplemental disclosure: Non-cash investing activities
Paid-in-kind accrued interest	29,982
Loans transferred from loans, net to loans, held for sale	655,126
Loans transferred from loans, held for sale to loans, net		344
Loans transferred to real estate owned, held for sale	5,902	$ 22,393
Supplemental disclosure: Non-cash financing activities
Conversion of OP units to common stock	$ 612