| 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: Nonmonetary Transaction Type [Domain] |
| Filer taxonomy standard label: | Nonmonetary Transaction Type [Domain] |
| Documentation: | Identifies the nature of the nonmonetary transaction or group of similar transactions, such as a barter or exchange. |
| Balance type: | |
| Period type: | For Period (duration) |
| Report element type: | [Domain] |
| Data type: | [Member] (nonnum:domainItemType) |
| ID: | us-gaap_NonmonetaryTransactionTypeDomain |
| Name: | us-gaap:NonmonetaryTransactionTypeDomain |
| 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) | Nonmonetary Transaction Type [Domain] | en-US |
| References of Report Element, FASB Accounting Standards Codification: |
| Publisher, Name: | Topic | Sub Topic | Glossary | URI |
| FASB, Accounting Standards Codification | 605 | 20 | http://asc.fasb.org/extlink&oid=6406959&loc=d3e49171-111630 | |
| FASB, Accounting Standards Codification | 845 | 10 | http://asc.fasb.org/extlink&oid=6457305&loc=d3e32049-108421 | |
| FASB, Accounting Standards Codification | 505 | 50 | http://asc.fasb.org/extlink&oid=6406099&loc=d3e25291-112666 |
| 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 Principles Board Opinion (APB) | 29 | 5, 6, 7 |