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Provision (Benefit) for Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Taxes [Line Items]      
Federal $ 1,549   $ (4)
State and local 652 $ 708 287
Foreign 1,637 3,044 3,887
Total Current 3,838 3,752 4,170
APIC 548   (84)
Deferred (259) (329) (371)
Total $ 4,127 $ 3,423 $ 3,715