INTANGIBLE ASSETS, NET - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, accumulated amortization	$ (1,296)	$ (1,217)
Total	801
Gross Carrying Amount	2,491	2,491
Net Carrying Value	1,195	1,274
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carying amount	2,097	2,097
Finite-lived intangible assets, accumulated amortization	(1,296)	(1,217)
Total	801	880
Tradenames
Finite-Lived Intangible Assets [Line Items]
Tradenames	$ 394	$ 394