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Income Taxes - Schedule of Current and Non-Current Deferred Tax Assets and Liabilities Balance Sheet Captions (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]    
Prepaid expenses and other current assets   $ 20,017
Other assets $ 5,088 8,830
Other current liabilities   234
Deferred income taxes $ 76,458 $ 104,016