ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of the period	$ 1,466	$ 1,143
Bad debt expense	880	510
Write-off of uncollectible accounts receivable	(332)	(288)
Recoveries collected	7	5
Balance, end of the period	$ 2,021	$ 1,370