| Standard label: | Financial Instrument Subject to Mandatory Redemption, Par Value Per Share |
| Name: | us-gaap:FinancialInstrumentSubjectToMandatoryRedemptionParValuePerShare |
| Documentation: | Par value per share of mandatory redeemable financial instrument classified as liability. |
| Object type: | cm:Concept |
| Data type: | Share (num:perShareItemType) |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:FinancialInstrumentSubjectToMandatoryRedemptionParValuePerShare |
| Label | Role | Language |
| Financial Instrument Subject to Mandatory Redemption, Par Value Per Share | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 480 10 50 4 | http://www.xbrl.org/2003/role/disclosureRef | 480 |