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Income Taxes - (Benefit) Provision for Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Current:      
U.S. Federal $ 7,270 $ 21,171 $ 17,203
State 4,253 2,976 2,049
Foreign 1,731 2,016 1,683
Current income tax expense (benefit) 13,254 26,163 20,935
Deferred:      
U.S. Federal 10,355 (103,518) 4,005
State 1,637 6,948 3,039
Foreign 43 (61) 701
Deferred income tax expense (benefit) 12,035 (96,631) 7,745
Total $ 25,289 $ (70,468) $ 28,680