| Standard label: | Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Accumulated Amortization |
| Name: | us-gaap:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsAccumulatedAmortization |
| Documentation: | The cumulative amount of amortization of deferred issuance costs associated with an own-share lending arrangement which has been periodically charged to earnings, generally as a component of interest expense, during the term of the arrangement. |
| 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:DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsAccumulatedAmortization |
| Label | Role | Language |
| Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Accumulated Amortization | http://www.xbrl.org/2003/role/label | en-US |
| Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Accumulated Amortization, Ending Balance | http://www.xbrl.org/2003/role/periodEndLabel | en-US |
| Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Accumulated Amortization, Beginning Balance | http://www.xbrl.org/2003/role/periodStartLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 470 20 50 2A | http://fasb.org/us-gaap/role/ref/legacyRef | 470 |