| Standard label: | Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table] |
| Name: | us-gaap:ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetTable |
| Documentation: | Summarization of information required and determined to be disclosed concerning the effects of any changes in a parent's ownership interest in a subsidiary on the equity attributable to the parent which may have occurred during the period. The changes represented by this element did not result in the deconsolidation of the subsidiary. |
| Object type: | cm:Table |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetTable |
| Label | Role | Language |
| Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 810 10 50 1A (d) | http://fasb.org/us-gaap/role/ref/legacyRef | 810 |
| FASB Accounting Standards Codification 810 10 55 4M | http://fasb.org/us-gaap/role/ref/legacyRef | 810 |