| Report Element Information |
| Run date/time: 6/5/2011 7:34:39 AM |
| Report Element Attributes: |
| Report element from taxonomy prefix: | dei |
| DEI taxonomy standard label: | dei: Entity [Domain] |
| Filer taxonomy standard label: | Consolidated Entity [Domain] |
| Documentation: | All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains. |
| Balance type: | |
| Period type: | For Period (duration) |
| Report element type: | [Domain] |
| Data type: | [Member] (nonnum:domainItemType) |
| ID: | dei_EntityDomain |
| Name: | dei:EntityDomain |
| Labels of Report Element: (Labels from filer taxonomy, does not include other labels) |
| Role: | Label | Lang |
| Standard label (http://www.xbrl.org/2003/role/label) | Consolidated Entity [Domain] | en-US |
| References of Report Element, FASB Accounting Standards Codification: |
| Publisher, Name: | Topic | Sub Topic | Glossary | URI |
| References of Report Element, SEC Regulation S-X (SX): |
| Publisher, Name: | Number | Section | Paragraph | Subparagraph | Article |
| References of Report Element, US GAAP Legacy: |
| Publisher: | Name | Number | Chapter | Section | Paragraph | Subparagraph | Article | Clause | Appendix |