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Business Combinations - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 22, 2021
Mar. 31, 2022
Mar. 31, 2021
Business Acquisition [Line Items]      
Purchase consideration, agreements with key personnel   $ 20.5  
DocSend Inc.      
Business Acquisition [Line Items]      
Purchase consideration, agreements with key personnel $ 30.7    
Required service period 3 years    
Personnel agreement, expense recognized   $ 10.2  
Business combination, remaining service period   2 years  
Acquired finite-lived intangible assets weighted average amortization period 5 years    
Acquisition-related diligence costs     $ 1.2