INCOME TAXES - Schedule of Reconciliation of Gross Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits at beginning of period	$ 3,379	$ 3,073
Gross increases for tax positions of prior years	0	168
Gross decreases for tax positions of prior years	(2)	(1)
Reductions resulting from lapse of statute of limitations	(270)	(409)
Gross increases resulting from reversal of benefit from lapse of statute of limitations	0	716
Settlements	0	(168)
Unrecognized tax benefits at end of period	$ 3,107	$ 3,379