Revenues - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Capitalized contract cost, net	$ 3.1	$ 2.7
Revenue recognized	30.2	25.0
Revenue, remaining performance obligation	0.1	0.1
Prepaid Expenses and Other Current Assets
Disaggregation of Revenue [Line Items]
Capitalized contract cost, net	2.1	1.8
Other Noncurrent Assets
Disaggregation of Revenue [Line Items]
Capitalized contract cost, net	$ 1.0	$ 0.9
Minimum
Disaggregation of Revenue [Line Items]
Extended product warranty term	1 month
Maximum
Disaggregation of Revenue [Line Items]
Extended product warranty term	3 years