| Standard label: | Common Stock, Value, Issued |
| Name: | us-gaap:CommonStockValue |
| Documentation: | Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity. |
| 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:CommonStockValue |
| Label | Role | Language |
| Common Stock, Value, Issued | http://www.xbrl.org/2003/role/label | en-US |
| Common Stock, Value, Issued, Ending Balance | http://www.xbrl.org/2003/role/periodEndLabel | en-US |
| Common Stock, Value, Issued, Beginning Balance | http://www.xbrl.org/2003/role/periodStartLabel | en-US |
| Common Stock, Value, Issued, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02(29)) | http://fasb.org/us-gaap/role/ref/legacyRef | 210 |
| Part Of Roll Up: |
| us-gaap:StockholdersEquity |