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Acquisitions - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Oct. 31, 2020
Feb. 29, 2020
Sep. 30, 2020
Sep. 30, 2019
Asset Acquisition [Line Items]        
Cash paid to acquire business net of cash acquired     $ (106) $ 121,409
Cash paid for asset acquisition     $ 36,376 $ 0
Asavie | Subsequent Even        
Asset Acquisition [Line Items]        
Cash paid to acquire business $ 155,100      
Cash paid to acquire business net of cash acquired $ 128,000      
Instart        
Asset Acquisition [Line Items]        
Cash paid for asset acquisition   $ 36,400    
Instart | Customer-related intangible assets        
Asset Acquisition [Line Items]        
Useful life of intangible asset   17 years