Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities
Net loss		$ (119,068)	$ (157,419)
Adjustments to reconcile net loss to net cash provided by operating activities:
Change in fair value of loans		103,778	90,341
Change in fair value of servicing assets		8,201	10,165
Change in fair value of servicing liabilities		(817)	(1,468)
Change in fair value of beneficial interest assets		(1,067)	1,956
Change in fair value of beneficial interest liabilities		9,344	(85)
Change in fair value of other financial instruments		(4,316)	(2,271)
Stock-based compensation		69,986	106,705
Gain on loan servicing rights, net		(5,897)	(6,960)
Depreciation and amortization		10,460	10,866
Non-cash interest expense		1,541	1,533
Other		(6,084)	(1,917)
Net changes in operating assets and liabilities:
Purchases of loans held-for-sale		(1,570,013)	(1,250,346)
Proceeds from sale of loans held-for-sale		1,491,994	1,266,604
Principal payments received for loans held-for-sale		115,335	101,829
Principal payments received for loans held by consolidated securitization		24,714	0
Payments on beneficial interest liabilities		(2,367)	0
Other assets		5,722	(3,826)
Operating lease liability and right-of-use asset		(400)	1,438
Payable to investors for beneficial interest assets	[1]	0	4,108
Accrued expenses and other liabilities		(13,129)	(29,657)
Net cash provided by operating activities		117,917	141,596
Cash flows from investing activities
Purchases and originations of loans held-for-investment		(110,941)	(83,868)
Principal payments received for loans held-for-investment		60,207	50,427
Principal payments received for notes receivable and repayments of residual certificates		2,681	2,996
Purchases of property and equipment		(721)	(1,150)
Capitalized software costs		(3,356)	(6,324)
Acquisition of beneficial interest assets		(63,246)	(26,427)
Proceeds from beneficial interest assets		1,729	0
Net cash used in investing activities		(113,647)	(64,346)
Cash flows from financing activities
Proceeds from borrowings		247,510	340,370
Repayments of borrowings		(154,999)	(397,644)
Principal payments made on securitization notes		(28,446)	0
Payable to investors	[1]	17,714	(54,944)
Proceeds from issuance of common stock under employee stock purchase plan		4,565	5,728
Proceeds from exercise of stock options		2,219	6,672
Taxes paid related to net share settlement of equity awards		(2)	(6)
Net cash provided by (used in) financing activities		88,561	(99,824)
Change in cash and restricted cash		92,831	(22,574)
Cash and restricted cash at beginning of period		467,787	532,467
Cash and restricted cash at end of period		560,618	509,893
Supplemental disclosures of cash flow information
Cash paid for interest		24,510	12,240
Cash (received) paid for income taxes, net		213	(989)
Supplemental disclosures of non-cash investing and financing activities
Beneficial interests obtained in connection with loan sale		13,555	0
Beneficial interest assets included in payable to investors		0	4,108
Settlement of borrowings in connection with loan sale		221,749	0
Issuance of line of credit receivable		(8,261)	0
Capitalized stock-based compensation expense		1,705	4,030
Cash and Restricted Cash
Cash		374,791
Restricted cash		185,827
Total cash and restricted cash		$ 560,618	$ 509,893

[1] During the second quarter of 2024, the Company elected to change the presentation of changes in the payable to investors balance on the condensed consolidated statement of cash flows, refer to “Note 1. Description of Business and Significant Accounting Policies” for further details.