| Report Element Information |
| Run date/time: 6/5/2011 7:34:42 AM |
| Report Element Attributes: |
| Report element from taxonomy prefix: | us-gaap |
| US GAAP taxonomy standard label: | us-gaap: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |
| Filer taxonomy standard label: | Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |
| Documentation: | The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. |
| Balance type: | Credit |
| Period type: | For Period (duration) |
| Report element type: | [Concept] |
| Data type: | Monetary (xbrli:monetaryItemType) |
| ID: | us-gaap_ProfitLoss |
| Name: | us-gaap:ProfitLoss |
| 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), Including Portion Attributable to Noncontrolling Interest | en-US |
| Total label (http://www.xbrl.org/2003/role/totalLabel) | Net income (loss), including portion 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=6921628&loc=SL4569616-111683 | |
| FASB, Accounting Standards Codification | 810 | 10 | http://asc.fasb.org/extlink&oid=6922042&loc=SL4591551-111686 | |
| FASB, Accounting Standards Codification | 810 | 10 | http://asc.fasb.org/extlink&oid=6921930&loc=SL4573702-111684 |
| 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 | 29 | ||||||
| AICPA | Accounting Research Bulletin (ARB) | 51 | 38 | a | |||||
| AICPA | Accounting Research Bulletin (ARB) | 51 | A1, A4, A5 | ||||||
| AICPA | Accounting Research Bulletin (ARB) | 51 | 5 | b | |||||
| AICPA | Accounting Research Bulletin (ARB) | 51 | 38 | c(1) |