Revenues - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Deferred revenue	$ 8.2	$ 9.4
Total services | Minimum
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Notice period to cancel or terminate contract	10 days
Total services | Maximum
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Notice period to cancel or terminate contract	30 days