XML 51 R40.htm IDEA: XBRL DOCUMENT v3.7.0.1
GOODWILL AND INTANGIBLE ASSETS - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]        
Intangible amortization expenses $ 505 $ 519 $ 991 $ 1,043