Leases - Schedule of Future Minimum Lease Payments for Operating and Finance Leases (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Leases, Operating [Abstract]
2021	$ 1.7
2022	1.0
2023	0.8
2024	0.8
2025	0.8
Thereafter	2.0
Total future minimum lease payments	7.1
Less: amount representing interest	(1.7)
Present value of future minimum lease payments	5.4
Less: current portion of operating lease obligations	(1.2)
Long-term portion of operating lease obligations	4.2	$ 4.5
Leases, Capital [Abstract]
2021	4.3
2022	1.6
2023	0.6
2024	0.1
Total future minimum lease payments	6.6
Less: amount representing interest	(0.3)
Present value of future minimum lease payments	6.3
Less: current portion of finance lease obligations	(4.0)	(5.1)
Long-term portion of finance lease obligations	$ 2.3	$ 3.6