Property, Plant and Equipment Narrative (Details) (USD $)	3 Months Ended	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 108,672,000		$ 97,797,000
McCook facility
Property, Plant and Equipment [Line Items]
Non Cash Increases in Assets and Liabilities	8,000,000	4,000,000
Property, plant and equipment, gross	12,961,000		12,961,000
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 7,486,000		$ 1,269,000

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_PropertyPlantAndEquipmentGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant