Business Combinations - Additional Information (Details) - USD ($) $ in Millions	May 01, 2020	Feb. 19, 2020	Oct. 03, 2019	Sep. 23, 2019	Jul. 15, 2019	Jun. 17, 2019	May 16, 2019
Voci
Business Acquisition [Line Items]
Cash payments to acquire business	$ 59.6
LivingLens
Business Acquisition [Line Items]
Cash payments to acquire business		$ 26.8
Crowdicity
Business Acquisition [Line Items]
Cash payments to acquire business			$ 16.6
Zingle
Business Acquisition [Line Items]
Cash payments to acquire business				$ 47.3
Promoter
Business Acquisition [Line Items]
Cash payments to acquire business					$ 2.3
Cooladata
Business Acquisition [Line Items]
Cash payments to acquire business						$ 7.6
Strikedeck
Business Acquisition [Line Items]
Cash payments to acquire business							$ 11.0