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Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Disaggregation of Revenue [Line Items]          
Revenue $ 202,796 $ 114,916 $ 448,728 $ 552,634  
Unbilled receivables 37,567   37,567   $ 18,073
Deferred revenue 51,458   51,458   $ 149,821
Deferred revenue recognized     $ 149,800    
Percentage of deferred revenue recognized     100.00%    
Remaining performance obligation $ 197,500   $ 197,500    
Percentage of performance obligation to be recognized 100.00%   100.00%    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-07-01          
Disaggregation of Revenue [Line Items]          
Remaining performance obligation, period 12 months   12 months    
Over-time revenue          
Disaggregation of Revenue [Line Items]          
Revenue $ 189,622 98,637 $ 421,475 516,598  
Point in time revenue          
Disaggregation of Revenue [Line Items]          
Revenue $ 13,174 $ 16,279 $ 27,253 $ 36,036