Annual report pursuant to Section 13 and 15(d)

TRADE RECEIVABLES (Details)

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TRADE RECEIVABLES (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Receivables [Abstract]    
Gross trade receivables $ 139,465 $ 117,301
Allowance for doubtful accounts (16,699) (13,285)
Net trade receivables $ 122,766 $ 104,016