Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Revenues	$ 4,284.2	$ 3,679.6	$ 1,733.8
Total service revenue
Disaggregation of Revenue [Line Items]
Revenues	3,363.6	2,732.5	1,050.6
Transactional seller revenue
Disaggregation of Revenue [Line Items]
Revenues	939.4	851.7	514.6
Transactional buyer revenue
Disaggregation of Revenue [Line Items]
Revenues	2,067.1	1,593.2	330.6
Marketplace services revenue
Disaggregation of Revenue [Line Items]
Revenues	357.1	287.6	205.4
Inventory sales revenue
Disaggregation of Revenue [Line Items]
Revenues	$ 920.6	$ 947.1	$ 683.2