IndexForecast [Member]
| Name | ScenarioForecastMember |
|---|---|
| Namespace | http://fasb.org/srt/2021-01-31 |
| Prefix | srt |
| Data type | dtr-types:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Forecast [Member] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
Related Child Concepts
| Name | Relation Type | Role | |
|---|---|---|---|
 | us-gaap:MultiemployerPlansMinimumContribution | dep-concept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |
Related Parent Concepts
| Name | Relation Type | Role | |
|---|---|---|---|
| srt:ScenarioUnspecifiedDomain | parent-child | http://fasb.org/us-gaap/role/statement/CommonDomainMembers |
| srt:ScenarioUnspecifiedDomain | domain-member | http://fasb.org/us-gaap/role/statement/CommonDomainMembersStatementTable |
| srt:ScenarioUnspecifiedDomain | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingChangesAndErrorCorrections |
| srt:ScenarioUnspecifiedDomain | domain-member | http://fasb.org/us-gaap/role/disclosure/AccountingChangesAndErrorCorrectionsNewAccountingPronouncementsOrChangeInAccountingPrincipleTable |
| srt:ScenarioUnspecifiedDomain | domain-member | http://fasb.org/us-gaap/role/disclosure/AccountingChangesAndErrorCorrectionsScheduleOfChangeInAccountingEstimateTable |
| srt:ScenarioUnspecifiedDomain | parent-child | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |
| srt:ScenarioUnspecifiedDomain | domain-member | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfMultiemployerPlansTable |