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 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Goodwill And Intangible Assets Disclosure [Abstract]        
Amortization of intangible assets $ 625 $ 652 $ 1,254 $ 1,324