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Income Taxes - Schedule of Income before Income Tax, Domestic and Foreign (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]      
Domestic $ 51,089 $ 48,327 $ 34,678
Foreign (4,845) 177 351
Income before provision for income taxes $ 46,244 $ 48,504 $ 35,029