| Standard label: | Advance Payments Netted Against Claim Receivable |
| Name: | us-gaap:AdvancePaymentsNettedAgainstClaimReceivable |
| Documentation: | Amount of advance payments received on the contract before its termination shown as a deduction from the claim receivable related to a termination of a contract. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:AdvancePaymentsNettedAgainstClaimReceivable |
| Label | Role | Language |
| Advance Payments Netted Against Claim Receivable | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 912 310 45 4 | http://www.xbrl.org/2003/role/disclosureRef | 912 |
| FASB Accounting Standards Codification 912 310 50 4 | http://fasb.org/us-gaap/role/ref/legacyRef | 912 |