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Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2016
Income Taxes [Line Items]
Effective tax rate from continuing operations	36.80%	35.10%
Income tax benefit		$ 0
ASU 2016-09 [Member]
Income Taxes [Line Items]
Excess income tax benefits recognized from stock-based compensation	$ 0	$ 300,000

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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