Goodwill and Intangibles - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Finite-Lived Intangible Assets [Line Items]
Amortization expense on other intangible assets	$ 1,015	$ 787
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense on other intangible assets	$ 1,000