| Standard label: | Increase in Carrying Amount of Redeemable Preferred Stock |
| Name: | us-gaap:IncreaseInCarryingAmountOfRedeemablePreferredStock |
| Documentation: | Adjustment to retained earnings for the increase in carrying amount of redeemable preferred stock that is classified as temporary equity. |
| 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:IncreaseInCarryingAmountOfRedeemablePreferredStock |
| Label | Role | Language |
| Increase in Carrying Amount of Redeemable Preferred Stock | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 480 10 S99 2 (SAB Topic 3.C) | http://fasb.org/us-gaap/role/ref/legacyRef | 480 |
| Part Of Roll Up: |
| us-gaap:StockholdersEquityPeriodIncreaseDecrease |