XML 44 R33.htm IDEA: XBRL DOCUMENT v3.7.0.1
ACCOUNTS RECEIVABLE (Tables)
 6 Months Ended
Jun. 30, 2017
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Accounts receivable consisted of the following as of the dates set forth below (amounts in thousands):
 
June 30,
2017
 
December 31,
2016
Accounts receivable
$
223,005

 
$
182,728

Allowance for doubtful accounts
(3,081
)
 
(3,344
)
Accounts receivable, net
$
219,924

 
$
179,384