Basis Of Presentation (Details)	3 Months Ended
Mar. 31, 2013
Subsequent Event [Line Items]
Subsequent Event, Date Evaluated, Description	The Company evaluated events and transactions that occurred after the balance sheet date but before financial statements were issued

A description detailing whether the date through which subsequent events have been evaluated is the date the financial statements were issued or the date financial statements were available to be issued.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 855

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314015-165662

Name:	us-gaap_SubsequentEventDateEvaluatedDescription
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration