Leases - Schedule of Other Information Related to Operating and Finance Leases (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Leases [Abstract]
Short-term lease costs	$ 0.8	$ 2.2
Operating lease cost	0.7	0.7
Operating cash outflows from operating leases	$ 0.7	$ 0.8
Weighted average remaining lease term	5 years 9 months 18 days	5 years 6 months
Weighted average discount rate	9.30%	9.40%
Amortization of finance leases	$ 1.4	$ 1.3
Interest on lease liabilities	0.2	0.2
Financing cash flows from finance leases	$ 1.3	$ 1.1
Weighted average remaining lease term	1 year 6 months	2 years
Weighted average discount rate	4.20%	4.60%