| Report Element Information |
| Run date/time: 6/5/2011 7:34:41 AM |
| Report Element Attributes: |
| Report element from taxonomy prefix: | us-gaap |
| US GAAP taxonomy standard label: | us-gaap: Net Income (Loss) Attributable to Noncontrolling Interest |
| Filer taxonomy standard label: | Net income (loss) attributable to noncontrolling interest |
| Documentation: | The portion of net Income or Loss attributable to the noncontrolling interest (if any) deducted in order to derive the portion attributable to the parent. |
| Balance type: | Debit |
| Period type: | For Period (duration) |
| Report element type: | [Concept] |
| Data type: | Monetary (xbrli:monetaryItemType) |
| ID: | us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
| Name: | us-gaap:NetIncomeLossAttributableToNoncontrollingInterest |
| 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) | Net income (loss) attributable to noncontrolling interest | en-US |
| References of Report Element, FASB Accounting Standards Codification: |
| Publisher, Name: | Topic | Sub Topic | Glossary | URI |
| FASB, Accounting Standards Codification | 810 | 10 | http://asc.fasb.org/extlink&oid=6922042&loc=SL4591552-111686 | |
| FASB, Accounting Standards Codification | 810 | 10 | http://asc.fasb.org/extlink&oid=6921930&loc=SL4573702-111684 | |
| FASB, Accounting Standards Codification | 810 | 10 | http://asc.fasb.org/extlink&oid=6922042&loc=SL4591551-111686 |
| 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 |
| AICPA | Accounting Research Bulletin (ARB) | 51 | 38 | a | |||||
| AICPA | Accounting Research Bulletin (ARB) | 51 | A1, A4, A5 | ||||||
| AICPA | Accounting Research Bulletin (ARB) | 51 | 38 | c(1) |