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Income Taxes - Schedule of Net Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]    
Current deferred tax assets, net   $ 3,998
Non-current deferred tax liabilities, net   (3,241)
Non-current deferred tax asset, net $ 819  
Net deferred tax assets $ 819 $ 757