Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Additional Information (Detail)

v2.4.0.8
Intangible Assets - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization of intangible assets $ 622 $ 648 $ 1,876 $ 1,972