XML 19 R25.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Document Information | 12 Months Ended
--- | ---
Dec. 31, 2011
Document Type | 10-K
Amendment Flag | false
Document Period End Date | Dec. 31, 2011

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- Definition If the value is true, then the document as an amendment to previously-filed/accepted document. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements this will be the filing date. The format of the date is CCYY-MM-DD. + References No definition available. + Details
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Namespace Prefix: | dei_
Data Type: | xbrli:dateItemType
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- Definition The type of document being provided (such as 10-K, 10-Q, N-1A, etc). The document type should be limited to the same value as the supporting SEC submission type. The acceptable values are as follows: S-1, S-3, S-4, S-11, F-1, F-3, F-4, F-9, F-10, 6-K, 8-K, 10, 10-K, 10-Q, 20-F, 40-F, N-1A, 485BPOS, NCSR, N-Q, and Other. + References No definition available. + Details
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Namespace Prefix: | dei_
Data Type: | us-types:SECReportItemType
Balance Type: | na
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