Disaggregated Revenue and Cost of Revenue Information - Schedule of Disaggregated Revenue and Cost of Revenue Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 118,927	$ 103,571	$ 335,261	$ 282,857
Cost of revenue	72,678	62,670	206,087	171,321
Gross profit	46,249	40,901	129,174	111,536
Marketplace
Disaggregation of Revenue [Line Items]
Revenue	102,473	84,060	282,664	224,073
Cost of revenue	70,578	58,479	196,240	158,712
Gross profit	31,895	25,581	86,424	65,361
Supplier Services
Disaggregation of Revenue [Line Items]
Revenue	16,454	19,511	52,597	58,784
Cost of revenue	2,100	4,191	9,847	12,609
Gross profit	$ 14,354	$ 15,320	$ 42,750	$ 46,175