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Revenue from Contracts with Customers - Disaggregation of Revenue by Geographic Market (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Disaggregation of Revenue [Line Items]        
Total Revenue $ 311,040 $ 360,712 $ 652,213 $ 719,895
Domestic        
Disaggregation of Revenue [Line Items]        
Total Revenue 224,283 292,784 480,773 589,147
Foreign        
Disaggregation of Revenue [Line Items]        
Total Revenue $ 86,757 $ 67,928 $ 171,440 $ 130,748