| Standard label: | Costs in Excess of Billings |
| Name: | us-gaap:CostsInExcessOfBillingsOnUncompletedContractsOrPrograms |
| Documentation: | Amount of receivable reflecting the cost incurred on uncompleted contracts in excess of related billings. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:CostsInExcessOfBillingsOnUncompletedContractsOrPrograms |
| Label | Role | Language |
| Costs in Excess of Billings | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02(3)(c)(2)) | http://fasb.org/us-gaap/role/ref/otherTransitionRef | 210 |
| FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02(3)(c)(3)) | http://fasb.org/us-gaap/role/ref/otherTransitionRef | 210 |
| FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02(3)(c)(4)) | http://fasb.org/us-gaap/role/ref/otherTransitionRef | 210 |
| FASB Accounting Standards Codification 912 310 45 2 | http://fasb.org/us-gaap/role/ref/otherTransitionRef | 912 |