| Name | ScheduleOfOptionsIndexedToIssuersEquityTextBlock |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | nonnum:textBlockItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Schedule of Options Indexed to Issuer's Equity [Table Text Block] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:OptionIndexedToIssuersEquityTable | parent-child | http://fasb.org/us-gaap/role/disclosure/OtherLiabilities | |
us-gaap:OptionIndexedToIssuersEquityEquityTable | parent-child | http://fasb.org/us-gaap/role/disclosure/Equity |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:TableTextBlock | parent-child | http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList | |
us-gaap:OptionIndexedToIssuersEquityDescriptionTextBlock | parent-child | http://fasb.org/us-gaap/role/disclosure/OtherLiabilities | |
us-gaap:DerivativeFinancialInstrumentsIndexedToAndPotentiallySettledInEntitysOwnStockEquityAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/Equity |