ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	$ 13,520	$ 13,420	$ 11,677
Provision for doubtful accounts	91,520	71,426	74,183
Deductions/ Write-Offs and Other Charges	(90,357)	(71,326)	(72,440)
Balance at End of Period	$ 14,683	$ 13,520	$ 13,420