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Schedule of Provision for Income Taxes (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Components Of Income Tax Expense Benefit Continuing Operations [Abstract]      
Federal, Current $ 1,256 $ (1,916) $ 48,794
State, Current 143 1,656 4,077
Foreign, Current 5,135 6,460 4,074
Income tax expense (benefit), Current, total 6,534 6,200 56,945
Federal, Deferred (749) (6,071) (1,649)
State, Deferred (480) (2,047) (1,260)
Foreign, Deferred (1,397) (101) (757)
Income tax expense (benefit), Deferred, total (2,626) (8,219) (3,666)
Total provision (benefit) $ 3,908 $ (2,019) $ 53,279