Summary Of Significant Accounting Policies CEO Details (Details) (USD $)	Apr. 09, 2013
Disclosure of CEO Inducement Award [Abstract]
Fair Value Assumptions, Exercise Price	$ 41.17
CEO Inducement Shares	200,000

Agreed upon price for the exchange of the underlying asset.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant