INTANGIBLE ASSETS, NET - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, accumulated amortization	$ (1,375)	$ (1,217)
Total	722
Gross Carrying Amount	2,491	2,491
Net Carrying Value	1,116	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	(1,375)	(1,217)
Total	722	880
Tradenames
Finite-Lived Intangible Assets [Line Items]
Tradenames	$ 394	$ 394