| Standard label: | Contract with Customer, Asset, Allowance for Credit Loss |
| Name: | us-gaap:ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss |
| Documentation: | Amount of accumulated credit loss for right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. |
| 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:ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss |
| Label | Role | Language |
| Contract with Customer, Asset, Allowance for Credit Loss | http://www.xbrl.org/2003/role/label | en-US |
| Contract with Customer, Asset, Allowance for Credit Loss, Ending Balance | http://www.xbrl.org/2003/role/periodEndLabel | en-US |
| Contract with Customer, Asset, Allowance for Credit Loss, Beginning Balance | http://www.xbrl.org/2003/role/periodStartLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 326 20 45 1 | http://www.xbrl.org/2003/role/disclosureRef | 326 |
| FASB Accounting Standards Codification 326 20 50 13 (a) | http://www.xbrl.org/2003/role/disclosureRef | 326 |
| FASB Accounting Standards Codification 326 20 50 13 (f) | http://www.xbrl.org/2003/role/disclosureRef | 326 |
| FASB Accounting Standards Codification 606 10 45 3 | http://www.xbrl.org/2009/role/commonPracticeRef | 606 |
| Part Of Roll Up: |
| us-gaap:ContractWithCustomerAssetNet |