Annual report pursuant to Section 13 and 15(d)

Income Taxes - Provision (Benefit) for Income Taxes (Detail)

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Income Taxes - Provision (Benefit) for Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Current      
U.S. Federal $ 8,436 $ 21,667 $ 24,809
State 2,054 2,899 2,382
Foreign 316 551 137
Deferred      
U.S. Federal (3,850) (2,871) 703
State (326) (1,140) (1,019)
Foreign (1,318) (745) 64
Provision (benefit) for income taxes, net $ 5,312 $ 20,361 $ 27,076