CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Total revenue	$ 103,065	$ 69,086
Operating expenses:
Operations and technology	32,829	21,591
Selling, general, and administrative	36,052	23,965
Depreciation and amortization	2,385	1,768
Total operating expenses	132,154	86,219
Loss from operations	(29,089)	(17,133)
Other income (expense):
Interest income	44	26
Interest expense	(210)	(210)
Total other income (expense)	(166)	(184)
Loss before income taxes	(29,255)	(17,317)
Provision for income taxes	240	58
Net loss	$ (29,495)	$ (17,375)
Weighted-average shares - basic and diluted	156,104,971	34,288,035
Basic and diluted	$ (0.19)	$ (0.51)
Marketplace And Service Cost [Member]
Operating expenses:
Cost of revenue	$ 47,252	$ 29,509
Customer Assurance Cost [Member]
Operating expenses:
Cost of revenue	13,636	9,386
Marketplace And Service Revenue [Member]
Total revenue	88,347	58,392
Customer Assurance Revenue [Member]
Total revenue	$ 14,718	$ 10,694