Property, Plant, and Equipment - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 0.6	$ 0.5	$ 1.7	$ 1.6
Depreciation allocated to cost of revenue	0.5	0.4	1.5	1.4
Depreciation included in depreciation and amortization	$ 0.1	$ 0.1	$ 0.2	$ 0.2