Debt - Capital Lease and Other Financing Obligations (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2020	Nov. 30, 2020	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Capital leases	$ 0.4	$ 0.9
Other financing obligations	0.7
Other financing arrangement			$ 3.3
Interest rate (as a percent)			3.84%
Debt Instrument, Periodic Payment	$ 0.4
Equipment
Lessee, Lease, Description [Line Items]
Interest rate (as a percent)				4.30%
Commercial-use vehicles
Lessee, Lease, Description [Line Items]
Other financing obligations		$ 2.9