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