VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Provisions for doubtful accounts, service credits, adjustments of non-cash transaction taxes and other	$ 694	$ 1,922	$ 222
Allowance for Doubtful Accounts, Service Credits and Other
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Provisions for doubtful accounts, service credits, adjustments of non-cash transaction taxes and other	1,248
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at the Beginning of the Period	1,705	1,065	1,056
Additions		2,125	1,035
Write-offs	(1,660)	(1,485)	(1,026)
Balance at the End of the Period	$ 1,293	$ 1,705	$ 1,065