Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Total revenue	$ 129,561	$ 118,327	$ 392,323	$ 345,823
Hosted Services - Business
Disaggregation of Revenue [Line Items]
Total revenue	89,491	93,234	290,671	271,966
Hosted Services - Consumer
Disaggregation of Revenue [Line Items]
Total revenue	9,460	9,123	27,711	27,944
Professional Services
Disaggregation of Revenue [Line Items]
Total revenue	$ 30,610	$ 15,970	$ 73,941	$ 45,913