| Standard label: | Contract Receivable, Due after One Year, Weighted Average Interest Rate |
| Name: | us-gaap:ContractReceivableDueAfterOneYearWeightedAverageInterestRate |
| Documentation: | The weighted average interest rate charged on contract receivables maturing after one year. |
| Object type: | cm:Concept |
| Data type: | Percent (num:percentItemType) |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ContractReceivableDueAfterOneYearWeightedAverageInterestRate |
| Label | Role | Language |
| Contract Receivable, Due after One Year, Weighted Average Interest Rate | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 910 310 50 3 (b) | http://fasb.org/us-gaap/role/ref/legacyRef | 910 |