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Balance of Investment in Joint Venture (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Schedule of Equity Method Investments [Line Items]      
Equity in cumulative net loss $ (1,017) $ (314) $ 3,148
Pacific Animation Partners Joint Venture      
Schedule of Equity Method Investments [Line Items]      
Capital contributions   3,856  
Equity in cumulative net loss   (3,856)  
Investment in joint venture $ 0 $ 0