IndexPerformance Shares [Member]
| Name | PerformanceSharesMember |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | dtr-types:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Performance Shares [Member] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Share-based payment arrangement awarded for meeting performance target. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
References
| Name | Value | Role |
|---|---|---|
| elementCreationTaxonomyVersion | 2012 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | Nonemployee Share-Based Payment | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2019 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2018-06 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedDocumentation | true | http://fasb.org/srt/role/changeNote/changeNote |
| PreviousDocumentation | Shares or units awarded to employees for meeting certain performance targets. | http://fasb.org/srt/role/changeNote/changeNote |
| Source_ASU_Number | 2018-07 | http://fasb.org/srt/role/changeNote/changeNote |
Related Parent Concepts
| Name | Relation Type | Role | |
|---|---|---|---|
 | us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain | parent-child | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensation |
| us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain | domain-member | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsStockCompensationScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable |
| us-gaap:AntidilutiveSecuritiesNameDomain | parent-child | http://fasb.org/us-gaap/role/disclosure/EarningsPerShare |
| us-gaap:AntidilutiveSecuritiesNameDomain | domain-member | http://fasb.org/us-gaap/role/disclosure/EarningsPerShareScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable |