Background and Basis of Presentation - Leases (Details) $ in Millions	1 Months Ended
	Mar. 31, 2020 USD ($) lease	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease right-of-use asset		$ 21.0	$ 13.9
Maximum
Lessee, Lease, Description [Line Items]
Lease remaining term of contract		11 years
Lease extension term		5 years
Warehouse Building
Lessee, Lease, Description [Line Items]
Number of leases | lease	2
Warehouse Building One | Warehouse Building
Lessee, Lease, Description [Line Items]
Operating lease right-of-use asset	$ 6.6
Operating lease liability		$ 6.6
Operating lease term	10 years
Warehouse Building Two | Warehouse Building
Lessee, Lease, Description [Line Items]
Operating lease right-of-use asset	$ 1.8
Operating lease liability		$ 1.8
Operating lease term	5 years