| Name | ContractReceivableDueAfterOneYear |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Construction Contractor, Receivable, Excluding Contract Retainage, after Year One | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Construction Contractor, Receivable, Excluding Contract Retainage, after Year One, Total | en-US | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:ContractReceivableDueFiveYearsOrMore | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified | |
us-gaap:ContractReceivableDueFourToFiveYears | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified | |
us-gaap:ContractReceivableDueOneToTwoYears | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified | |
us-gaap:ContractReceivableDueThreeToFourYears | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified | |
us-gaap:ContractReceivableDueTwoToThreeYears | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:AccountsReceivableGrossNoncurrent | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified | |
us-gaap:ContractReceivableDueAfterOneYearAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthers | |
us-gaap:AccountsReceivableBilledForLongTermContractsOrPrograms | summation-item | http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthers | |
us-gaap:ContractReceivableDueAfterOneYearAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors |