| elementCreationTaxonomyVersion | 2011 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 912 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 275 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 4 | http://www.xbrl.org/2003/role/disclosureRef |
| URI | https://asc.fasb.org/extlink&oid=126938061&loc=d3e54681-109401 | http://www.xbrl.org/2003/role/disclosureRef |