XML 87 R58.htm IDEA: XBRL DOCUMENT v3.2.0.727
Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization of intangible assets $ 1,709 $ 1,044 $ 3,380 $ 1,454