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ACCOUNTS RECEIVABLE
 9 Months Ended
Sep. 30, 2019
Receivables [Abstract]  
ACCOUNTS RECEIVABLE ACCOUNTS RECEIVABLE

Accounts receivable consisted of the following as of the dates set forth below (amounts in thousands):
 
September 30,
2019
 
December 31,
2018
Accounts receivable
$
224,451

 
$
245,236

Allowance for doubtful accounts
(3,223
)
 
(3,404
)
Accounts receivable, net
$
221,228

 
$
241,832


Accounts receivable are reduced by an estimated allowance for doubtful accounts, which is based on known risks and historical losses.