ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Components of accumulated other comprehensive income (loss) (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accumulated other comprehensive gain (loss) [Line Items]
Foreign currency translation adjustment	$ (5,590)	$ (1,440)	$ 268
Accumulated other comprehensive income (loss)	$ (5,590)	$ (1,440)	$ 268