Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 33,974	$ 15,196
Less accumulated depreciation	(12,309)	(10,311)
Property, plant and equipment, net	21,665	4,885
Land [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	2,012	75
Building and improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	12,757	2,350
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 19,205	$ 12,771