SUBSEQUENT EVENTS (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Jan. 31, 2020 USD ($) acquisition	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Subsequent Event [Line Items]
Cash consideration paid		$ 0	$ 10,811	$ 0
Subsequent Event | Turbo and PSI
Subsequent Event [Line Items]
Number of completed acquisitions | acquisition	2
Total purchase price consideration	$ 16,300
Cash consideration paid	14,300
Consideration paid with common stocks	$ 2,000