| Report Element Information |
| Run date/time: 6/5/2011 7:34:40 AM |
| Report Element Attributes: |
| Report element from taxonomy prefix: | us-gaap |
| US GAAP taxonomy standard label: | us-gaap: Schedule of Long-term Debt Instruments [Table] |
| Filer taxonomy standard label: | Schedule of Long-term Debt Instruments [Table] |
| Documentation: | A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer. |
| Balance type: | |
| Period type: | |
| Report element type: | [Table] |
| Data type: | |
| ID: | us-gaap_DebtInstrumentTable |
| Name: | us-gaap:DebtInstrumentTable |
| 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) | Schedule of Long-term Debt Instruments [Table] | en-US |
| References of Report Element, FASB Accounting Standards Codification: |
| Publisher, Name: | Topic | Sub Topic | Glossary | URI |
| FASB, Accounting Standards Codification | 835 | 30 | http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 | |
| FASB, Accounting Standards Codification | 835 | 30 | http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 | |
| FASB, Accounting Standards Codification | 505 | 10 | http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 | |
| FASB, Accounting Standards Codification | 210 | 10 | http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 | |
| FASB, Accounting Standards Codification | 505 | 10 | http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 | |
| FASB, Accounting Standards Codification | 505 | 10 | http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644 | |
| FASB, Accounting Standards Codification | 505 | 10 | http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644 | |
| FASB, Accounting Standards Codification | 835 | 30 | http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 | |
| FASB, Accounting Standards Codification | 942 | 470 | http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 | |
| FASB, Accounting Standards Codification | 235 | 10 | http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 |
| References of Report Element, SEC Regulation S-X (SX): |
| Publisher, Name: | Number | Section | Paragraph | Subparagraph | Article |
| SEC, Regulation S-X (SX) | 210 | 02 | 22 | 5 |
| References of Report Element, US GAAP Legacy: |
| Publisher: | Name | Number | Chapter | Section | Paragraph | Subparagraph | Article | Clause | Appendix |