Revenue - Summary of primary component of Revenue, Level of Disaggregation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Auction marketplace revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 303,037	$ 210,930	$ 175,721
Other marketplace revenue
Disaggregation of Revenue [Line Items]
Revenue	236,672	179,002	152,959
Data services revenue
Disaggregation of Revenue [Line Items]
Revenue	33,262	32,595	32,905
Marketplace and service
Disaggregation of Revenue [Line Items]
Revenue	$ 572,971	$ 422,527	$ 361,585