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Accounts Receivable - Schedule of Changes in Provisions For Allowance For Credit Loss (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Receivables [Abstract]        
Provision for expected credit losses and doubtful accounts related to trade accounts receivable $ 861 $ 1,116 $ 1,098 $ 6,539