Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Additional Information (Detail)

v3.5.0.2
Intangible Assets - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization of intangible assets $ 922 $ 713 $ 1,834 $ 1,344