Significant Accounting Policies (Property, Plant and Equipment) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Cost of Property Repairs and Maintenance	$ 13,800,000	$ 17,700,000	$ 15,900,000
Depreciation	14,300,000	12,100,000	7,000,000
Cost of Goods Sold, Depreciation	14,100,000	11,800,000	6,900,000
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Interest Costs Capitalized	$ 263,000	$ 476,000	$ 394,000
Minimum [Member] | Land and Building [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	10 years
Minimum [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Capitalized maintenance cost, amortization period	12 months
Maximum [Member] | Land and Building [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	39 years
Maximum [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	20 years