| Name | DeferredCompensationExcludingShareBasedPaymentsAndRetirementBenefitsMember |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | nonnum:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Deferred Compensation, Excluding Share-based Payments and Retirement Benefits [Member] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DeferredProfitSharingMember | parent-child | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneral | |
us-gaap:DeferredBonusMember | parent-child | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneral | |
us-gaap:DeferredProfitSharingMember | domain-member | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneralScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable | |
us-gaap:DeferredBonusMember | domain-member | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneralScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain | parent-child | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneral | |
us-gaap:DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain | domain-member | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneralScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable |