Annual report pursuant to Section 13 and 15(d)

TRADE RECEIVABLES (Tables)

v3.10.0.1
TRADE RECEIVABLES (Tables)
12 Months Ended
Dec. 31, 2018
Receivables [Abstract]  
Schedule of trade receivables
December 31,   2018   2017
(in thousands)                
Gross trade receivables   $ 117,301     $ 109,616  
Allowance for doubtful accounts     (13,285 )     (11,814 )
Net trade receivables   $ 104,016     $ 97,802