GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Goodwill (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Goodwill activity
Beginning balance	$ 90,338	$ 74,525
Additions from acquisitions	6,082	15,713
Retrospective adjustments		100
Impairment	0	0
Ending balance	$ 96,420	$ 90,338