Property, Plant and Equipment, Net - Schedule of Property Plant and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment [Abstract]
Land	$ 5,667	$ 55
Buildings	5,775	945
Furniture and fixtures	1,057	876
Equipment	31,182	22,275
Leasehold improvements	6,279	5,147
Land Improvements	825	0
Computer hardware	3,313	3,286
Construction in progress	404	314
Software	1,705	1,008
Property, plant and equipment, gross	56,207	33,906
Less: Accumulated depreciation and amortization	(20,611)	(17,277)
Property, plant and equipment, net	$ 35,596	$ 16,629