CAPITALIZED INTEREST - Components of interest expense and capitalized interest (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Capitalized Interest [Line Items]
Interest cost incurred	$ 143	$ 123	$ 389	$ 370
Interest cost capitalized - property and equipment	(6)	(4)	(15)	(6)
Interest expense, net	$ 137	$ 119	$ 374	$ 364