| Report Element Information |
| Run date/time: 7/5/2011 12:04:58 PM |
| Report Element Attributes: |
| Prefix: | pattern |
| Standard label: | Roll Forward of Land [Roll Forward] |
| Documentation: | Praesent eleifend dignissim eros. Proin feugiat lobortis mi. Nunc congue. Fusce venenatis. Maecenas tincidunt, ipsum in fringilla hendrerit, dolor metus eleifend neque, vel tincidunt mi nunc a purus. |
| Balance type: | |
| Period type: | For Period (duration) |
| Report element type: | [Concept (Abstract)] |
| Data type: | Text/String (xbrli:stringItemType) |
| ID: | pattern_RollForwardLandRollForward |
| Name: | pattern:RollForwardLandRollForward |
| Labels of Report Element |
| Role: | Label | Lang |
| (http://www.xbrl.org/2003/role/documentation) | Praesent eleifend dignissim eros. Proin feugiat lobortis mi. Nunc congue. Fusce venenatis. Maecenas tincidunt, ipsum in fringilla hendrerit, dolor metus eleifend neque, vel tincidunt mi nunc a purus. | en |
| Standard label (http://www.xbrl.org/2003/role/label) | Roll Forward of Land [Roll Forward] | en |