| Name | CostsOfFranchisedOutlets |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Costs of Franchised Outlets | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Costs incurred that are directly related to generating franchise revenues from franchised outlets. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| TaxonomyVersion | 2018 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2017-08 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedReferences | true | http://fasb.org/srt/role/changeNote/changeNote |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 952 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 10 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 45 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 1 | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=109207822&loc=SL109207831-218603 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:FranchisorCostsAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative | |
us-gaap:FranchisorCostsAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable | |
us-gaap:FranchisorCostsAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncome | |
us-gaap:FranchisorCosts | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome | |
us-gaap:FranchisorCostsAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable | |
us-gaap:FranchisorCostsAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/MiscellaneousIndustries |