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Acquisitions - Narrative (Details) - USD ($)
$ in Millions
Sep. 11, 2020
Mar. 11, 2020
Jan. 07, 2020
Jul. 01, 2019
Dec. 31, 2020
Dec. 31, 2019
Business Acquisition [Line Items]            
Transaction costs         $ 0.2  
Orb            
Business Acquisition [Line Items]            
Ownership interest acquired (as a percent)     100.00%      
Consideration transferred     $ 11.6      
coAction.com            
Business Acquisition [Line Items]            
Consideration transferred   $ 9.6        
Payments to acquire business $ 4.8 $ 4.8        
Lattice            
Business Acquisition [Line Items]            
Ownership interest acquired (as a percent)       100.00%    
Consideration transferred       $ 127.0    
Transaction costs           $ 0.6
Capital funding received in connection with acquisition       $ 100.0