Permanent Equity (Stockholder Rights Plan) (Details)	12 Months Ended
Dec. 31, 2013
Permanent Equity [Line Items]
Class of Warrant or Right, Warrants or Rights Exercisable	0
Series C Junior Participating Preferred Stock
Permanent Equity [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights	100.00
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right	0.0001
Class of Warrant or Right, Exercise Trigger, Percentage of Common Stock Owned by Individual or Affiliates	4.95%

Exercise price per share or per unit of warrants or rights outstanding.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(4))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Subparagraph 4

-Article 4

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	instant