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Business Combinations - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 21, 2019
Dec. 31, 2019
Dec. 31, 2018
Business Acquisition [Line Items]      
Acquisitions, net of cash acquired   $ 11,000 $ 0
RTK      
Business Acquisition [Line Items]      
Purchase consideration $ 11,400    
Acquisitions, net of cash acquired 11,000    
Cash acquired from acquisition 600    
Working capital adjustment $ (200)