| Note | Element is modeled from perspective of statement in which net income is reported. | http://fasb.org/us-gaap/role/tin/usage |
| Positive_XBRL_Value | Expense | http://fasb.org/us-gaap/role/tin/value |
| Negative_XBRL_Value | Reversal of Expense | http://fasb.org/us-gaap/role/tin/value |
| elementCreationTaxonomyVersion | 2008 | 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 | 944 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 40 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 3 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (b) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | https://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 | http://www.xbrl.org/2003/role/disclosureRef |