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ACCOUNTS RECEIVABLE
 9 Months Ended
Sep. 30, 2016
Receivables [Abstract]  
ACCOUNTS RECEIVABLE
ACCOUNTS RECEIVABLE

Accounts receivable consisted of the following (amounts in thousands):
 
September 30,
2016
 
December 31,
2015
Accounts receivable
$
188,369

 
$
181,916

Allowance for doubtful accounts
(4,017
)
 
(4,527
)
Accounts receivable, net
$
184,352

 
$
177,389


Accounts receivable are reduced by an allowance for doubtful accounts which is based on historical losses.