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Income Taxes - Components of Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Current      
Federal $ (1,698) $ 2,679 $ 4,718
Foreign 5,115 2,951 5,081
State and local 32 345 447
Current, Total 3,449 5,975 10,246
Deferred      
Federal 2,986 (611) (425)
Foreign (914) (309) (1,110)
State and local 177 (24) (162)
Deferred Total 2,249 (944) (1,697)
Income taxes $ 5,698 $ 5,031 $ 8,549