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ACCOUNTS RECEIVABLE (Tables)
9 Months Ended
Sep. 30, 2020
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Accounts receivable consisted of the following (amounts in thousands):
 September 30,
2020
December 31,
2019
Accounts receivable$196,707 $188,952 
Allowance for doubtful accounts(3,943)(3,714)
Accounts receivable, net$192,764 $185,238