Investment in Non-Consolidated Joint Venture - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended		1 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Joint Venture [Member]	Aug. 29, 2014 Joint Venture [Member]	Aug. 29, 2014 Income Approach Valuation Technique [Member] Equity Method Investments [Member] Joint Venture [Member]
Schedule Of Results Related To Equity Accounted Investees [Line Items]
Acquired investment in joint venture						49.00%
Joint venture investment, fair value							$ 35,595,000
Amount due from joint venture					0
Net sales	$ 125,632,000	$ 93,023,000	$ 334,840,000	$ 283,125,000	$ 0