v2.4.0.8
Goodwill and Intangible Assets, Net - Additional Information (Detail) (USD $)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]          
Goodwill $ 51,889,000   $ 51,889,000   $ 51,889,000
Goodwill, Impairment Loss     0   0
Weighted average remaining useful life     4 years 5 months 12 days    
Amortization of intangible assets $ 400,000 $ 400,000 $ 800,000 $ 800,000