Acquisitions, Intangible Assets and Goodwill - Schedule of Fair Value and Useful Lives of Identifiable Intangible Assets Acquired (Details) - USD ($) $ in Thousands	Sep. 03, 2019	Apr. 01, 2019
GetFeedback, Inc
Acquisitions Intangible Assets And Goodwill [Line Items]
Total intangible assets	$ 17,700
GetFeedback, Inc | Developed Technology
Acquisitions Intangible Assets And Goodwill [Line Items]
Total intangible assets	$ 5,900
Useful Life	3 years
GetFeedback, Inc | Customer Relationships
Acquisitions Intangible Assets And Goodwill [Line Items]
Total intangible assets	$ 10,900
GetFeedback, Inc | Customer Relationships | Minimum
Acquisitions Intangible Assets And Goodwill [Line Items]
Useful Life	6 years
GetFeedback, Inc | Customer Relationships | Maximum
Acquisitions Intangible Assets And Goodwill [Line Items]
Useful Life	7 years
GetFeedback, Inc | Trade Name
Acquisitions Intangible Assets And Goodwill [Line Items]
Total intangible assets	$ 900
Useful Life	5 years
Usabilla Holding B.V.
Acquisitions Intangible Assets And Goodwill [Line Items]
Total intangible assets		$ 15,136
Usabilla Holding B.V. | Developed Technology
Acquisitions Intangible Assets And Goodwill [Line Items]
Total intangible assets		$ 11,036
Useful Life		3 years
Usabilla Holding B.V. | Customer Relationships
Acquisitions Intangible Assets And Goodwill [Line Items]
Total intangible assets		$ 2,890
Useful Life		3 years
Usabilla Holding B.V. | Trade Name
Acquisitions Intangible Assets And Goodwill [Line Items]
Total intangible assets		$ 1,210
Useful Life		5 years