Revenues - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Capitalized contract cost, net	$ 4.1	$ 3.1
Revenue recognized	35.2	30.2
Refund liability	0.3	0.1
Prepaid Expenses and Other Current Assets
Disaggregation of Revenue [Line Items]
Capitalized contract cost, net	2.6	2.1
Other Noncurrent Assets
Disaggregation of Revenue [Line Items]
Capitalized contract cost, net	$ 1.5	$ 1.0
Minimum
Disaggregation of Revenue [Line Items]
Extended product warranty term	1 month
Maximum
Disaggregation of Revenue [Line Items]
Extended product warranty term	3 years