| Standard label: | Earnings Per Share, Diluted, Distributed |
| Name: | us-gaap:EarningsPerShareDilutedDistributed |
| Documentation: | Dividends declared in the period and the contractual amount of dividends (or interest on participating income bonds) that must be paid per security, taking into account all dilutive potential common shares outstanding during the period. |
| Object type: | cm:Concept |
| Data type: | Share (num:perShareItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:EarningsPerShareDilutedDistributed |
| Label | Role | Language |
| Earnings Per Share, Diluted, Distributed | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 260 10 45 60A | http://fasb.org/us-gaap/role/ref/legacyRef | 260 |
| FASB Accounting Standards Codification 260 10 45 60B | http://fasb.org/us-gaap/role/ref/legacyRef | 260 |
| FASB Accounting Standards Codification 260 10 45 60 | http://fasb.org/us-gaap/role/ref/legacyRef | 260 |
| FASB Accounting Standards Codification 260 10 45 66 | http://fasb.org/us-gaap/role/ref/legacyRef | 260 |