| Standard label: | Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Accumulated Amortization Adjustment |
| Name: | us-gaap:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsAccumulatedAmortizationAdjustment |
| Documentation: | Amount of increase (decrease) in accumulated amortization of deferred issuance costs associated with a share-lending arrangement. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsAccumulatedAmortizationAdjustment |
| Label | Role | Language |
| Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Accumulated Amortization Adjustment | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| Part Of Roll Up: |
| us-gaap:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsAmortizationExpensePeriodIncreaseDecrease |