Goodwill and Other Intangible Assets - Components of Other Intangible Assets and Changes in Gross Carrying Values (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Other Finite-Lived Intangible Assets, Gross Carrying Value	$ 27,305	$ 27,389
Other Finite-Lived Intangible Assets, Accumulated Amortization	9,348	6,586
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Other Finite-Lived Intangible Assets, Gross Carrying Value	6,947	6,947
Other Finite-Lived Intangible Assets, Accumulated Amortization	2,696	2,096
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Other Finite-Lived Intangible Assets, Gross Carrying Value	4,087	4,087
Other Finite-Lived Intangible Assets, Accumulated Amortization	1,150	748
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Other Finite-Lived Intangible Assets, Gross Carrying Value	8,026	8,082
Other Finite-Lived Intangible Assets, Accumulated Amortization	2,621	1,871
Know-how [Member]
Finite-Lived Intangible Assets [Line Items]
Other Finite-Lived Intangible Assets, Gross Carrying Value	8,245	8,273
Other Finite-Lived Intangible Assets, Accumulated Amortization	$ 2,881	$ 1,871