INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Dec. 31, 2017	Sep. 30, 2018	Mar. 31, 2018
Operating Loss Carryforwards [Line Items]
Tax Act, transition tax for accumulated foreign earnings, provisional income tax expense		$ 946
Tax Act, provisional liability			$ 343	$ 678
Tax Act, payment of liability	$ 76
Tax Act, transition tax, other long term liabilities			$ 267
Minimum
Operating Loss Carryforwards [Line Items]
Differences between U.S. and foreign tax rates, range (as a percent)			20.00%
Maximum
Operating Loss Carryforwards [Line Items]
Differences between U.S. and foreign tax rates, range (as a percent)			34.00%