Commitments and Contingencies (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Commitments and Contingencies
Rent expense	$ 1.2	$ 0.9	$ 3.5	$ 2.0
Inventory purchase commitments
Commitments and Contingencies
Minimum inventory purchase commitments			71.2
Net loss on vendor purchase commitment			0.0	11.6
Write-down of vendor advance			7.6
Utilization of accrual of purchase commitment liability			15.6	$ 35.0
Prepaid vendor advance, net of write-downs	17.1		17.1
Accrued purchase commitments	$ 4.0		$ 4.0