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Revenue and Accounts Receivable - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Revenue from Contract with Customer [Abstract]        
Contract with Customer, Liability, Revenue Recognized $ 5,652 $ 3,377 $ 11,543 $ 10,870
Period in Which Performance Obligations Under Client Arrangements Settled 1 year      
Contract with Customer, Asset, Threshold Period Past Due 120 days   120 days