Quarterly report pursuant to Section 13 or 15(d)

RECENT ACCOUNTING PRONOUNCEMENTS (Details)

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RECENT ACCOUNTING PRONOUNCEMENTS (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Accounts, Notes, Loans and Financing Receivable, Net [Roll Forward]    
Balance at December 31, 2017 $ 14,706  
Charged to costs and expenses 9,509 $ 7,222
Net (write-offs)/recoveries (8,028)  
Balance at September 30, 2018 $ 16,187