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ACCOUNTS RECEIVABLE, NET OF ALLOWANCE FOR CREDIT LOSSES (Details)
$ in Thousands
 6 Months Ended
Jun. 30, 2020
USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]  
Balance at beginning of period $ 1,468
Additions - charged to expense 1,697
Deductions - bad debts written off, net of recoveries (739)
Balance at end of period 2,615
Cumulative effect of new accounting principle  
Accounts Receivable, Allowance for Credit Loss [Roll Forward]  
Balance at beginning of period $ 189