Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 22,559	$ 23,804
Accumulated Amortization	(7,048)	(6,858)
Net Carrying Amount	$ 15,511	$ 16,946
Trademarks/Tradenames
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Amortization Period	23 years	23 years
Gross Carrying Amount	$ 8,378	$ 9,460
Accumulated Amortization	(3,193)	(3,914)
Net Carrying Amount	$ 5,185	$ 5,546
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Amortization Period	15 years	15 years
Gross Carrying Amount	$ 14,181	$ 14,344
Accumulated Amortization	(3,855)	(2,944)
Net Carrying Amount	$ 10,326	$ 11,400