| Standard label: | Proceeds from Issuance of Senior Long-term Debt |
| Name: | us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt |
| Documentation: | The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer). |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt |
| Label | Role | Language |
| Proceeds from Issuance of Senior Long-term Debt | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 230 10 45 14 (b) | http://fasb.org/us-gaap/role/ref/legacyRef | 230 |
| Part Of Roll Up: |
| us-gaap:ProceedsFromIssuanceOfLongTermDebt |