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Acquisitions - Schedule of Consideration Transferred (Details) - USD ($)
$ in Thousands
Jun. 01, 2018
Dec. 31, 2018
Dec. 31, 2017
Business Acquisition [Line Items]      
Contingent consideration – earnout   $ 7,167 $ 0
Quickthree Solutions      
Business Acquisition [Line Items]      
Base price - cash $ 30,000    
Contingent consideration – earnout 9,200    
Working capital adjustment (122)    
Total purchase consideration $ 39,078