Property and Business Interruption Insurance Claims and Recoveries (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended				12 Months Ended
	Oct. 31, 2014	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Business Interruption Loss [Line Items]
Business interruption loss of production period	7 days
Total insurance recoveries						$ 460	$ 9,375	$ 0
Insurance recoveries		$ 7,067	$ 1,293	$ (70)	$ 0	0	8,290	0
Interruption of business [Member]
Business Interruption Loss [Line Items]
Total insurance recoveries						460	925	0
Insurance recoveries						460	308	0
Interruption of business [Member] | Cost of Sales [Member]
Business Interruption Loss [Line Items]
Less: out-of-pocket expenses related to interruption of business in Cost of Sales						0	617	0
Property damage from fire [Member]
Business Interruption Loss [Line Items]
Total insurance recoveries						0	8,450	0
Insurance recoveries						0	8,290	0
Property damage from fire [Member] | Insurance Recoveries [Member]
Business Interruption Loss [Line Items]
Less: Net book value of property loss in insurance recoveries						$ 0	$ 160	$ 0