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Revenues - Disaggregation of Revenues by Geographic Location (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Revenue from External Customer [Line Items]    
Revenues $ 251,843 $ 229,686
United States    
Revenue from External Customer [Line Items]    
Revenues 224,276 207,734
Rest of world    
Revenue from External Customer [Line Items]    
Revenues $ 27,567 $ 21,952