| Report Element Information |
| Run date/time: 7/17/2011 4:28:48 PM |
| Report Element Attributes: |
| Prefix: | pattern |
| Standard label: | Statement of Changes in Equity [Line Items] |
| Documentation: | Suspendisse vestibulum augue eu justo. Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. |
| Balance type: | |
| Period type: | For Period (duration) |
| Report element type: | [Line Items] |
| Data type: | Text/String (xbrli:stringItemType) |
| ID: | pattern_StatementChangesInEquityLineItems |
| Name: | pattern:StatementChangesInEquityLineItems |
| Labels of Report Element |
| Role: | Label | Lang |
| (http://www.xbrl.org/2003/role/documentation) | Suspendisse vestibulum augue eu justo. Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. | en |
| (http://www.xbrl.org/2003/role/documentation) | Sed eu nibh. Fusce vitae mi. Sed dapibus venenatis ipsum. Sed in purus. | en |
| Standard label (http://www.xbrl.org/2003/role/label) | Statement of Changes in Equity [Line Items] | en |