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Revenue from Contracts with Customers - Disaggregation of Revenue by Geographic Market (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Disaggregation of Revenue [Line Items]        
Total Revenue $ 326,589 $ 364,455 $ 978,802 $ 1,084,350
Domestic        
Disaggregation of Revenue [Line Items]        
Total Revenue 237,543 295,422 718,316 884,569
Foreign        
Disaggregation of Revenue [Line Items]        
Total Revenue $ 89,046 $ 69,033 $ 260,486 $ 199,781