Revenues - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Capitalized contract cost, net	$ 3.5	$ 4.1
Revenue recognized	34.4	35.2
Refund liability	0.2	0.3
Prepaid Expenses and Other Current Assets
Disaggregation of Revenue [Line Items]
Capitalized contract cost, net	2.3	2.6
Other Noncurrent Assets
Disaggregation of Revenue [Line Items]
Capitalized contract cost, net	$ 1.2	$ 1.5