| Standard label: | Common Equity Tier One Capital Ratio |
| Name: | us-gaap:CommonEquityTierOneCapitalRatio |
| Documentation: | Percentage of Common Equity Tier One Risk-based Capital to total risk-weighted assets, as defined by regulatory framework. |
| Object type: | cm:Concept |
| Data type: | Percent (num:percentItemType) |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:CommonEquityTierOneCapitalRatio |
| Label | Role | Language |
| Common Equity Tier One Capital Ratio | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 942 505 50 1 (c)(1) | http://www.xbrl.org/2003/role/disclosureRef | 942 |