Company Overview and Basis of Presentation -Termination of Proposed Merger with Zendesk - Additional Information (Details) - Momentive Global Inc. $ in Millions	9 Months Ended
	Sep. 30, 2022 USD ($)
Condensed Financial Statements, Captions [Line Items]
Business Combination, Acquisition Related Costs	$ 11.9
Cost of Sales
Condensed Financial Statements, Captions [Line Items]
Business Combination, Acquisition Related Costs	0.6
Research and development
Condensed Financial Statements, Captions [Line Items]
Business Combination, Acquisition Related Costs	3.4
Sales and marketing
Condensed Financial Statements, Captions [Line Items]
Business Combination, Acquisition Related Costs	3.1
General and Administrative Expense
Condensed Financial Statements, Captions [Line Items]
Business Combination, Acquisition Related Costs	$ 4.8