Property, Plant, and Equipment (Summary of Property, Plant, and Equipment) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	$ 281,724	$ 274,957
Less accumulated depreciation and amortization	(124,335)	(122,013)
Total property, plant, and equipment, net	157,389	152,944
Buildings
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	85,568	85,283
Leasehold improvement
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	29,250	24,619
Land
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	6,873	6,857
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	112,718	111,041
Furniture, fixtures, and automobiles
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	15,359	15,113
Construction in progress
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	31,956	32,044
Equipment | Primatene Mist
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	$ 2,500	$ 2,600