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Provision for Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Current:      
Federal $ (235) $ 5,641 $ 2,124
State (151) 1,777 1,347
Foreign 2,956 2,121 570
Deferred:      
Federal 2,867 650 160
State 1,548 (365) 242
Foreign (1,783) (679)  
Total income tax expense (benefit) $ 5,202 $ 9,145 $ 4,443