Property and Business Interruption Insurance Claims and Recoveries (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Oct. 31, 2014	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Business Interruption Loss [Line Items]
Loss of production, period	7 days
Total insurance recoveries		$ 0	$ 250	$ 460	$ 250
Insurance recoveries		0	(70)	0	(70)
Interruption of business
Business Interruption Loss [Line Items]
Total insurance recoveries		0	160	460	160
Insurance recoveries		0	(50)	460	(50)
Interruption of business | Cost of Sales
Business Interruption Loss [Line Items]
Less: out-of-pocket expenses related to interruption of business in Cost of Sales		0	210	0	210
Property damage from fire
Business Interruption Loss [Line Items]
Total insurance recoveries		0	90	0	90
Insurance recoveries		0	(70)	0	(70)
Property damage from fire | Insurance Recoveries
Business Interruption Loss [Line Items]
Less: Net book value of property loss in insurance recoveries		$ 0	$ 160	$ 0	$ 160