| Standard label: | Transfer of Portfolio Loans and Leases to Held-for-sale | 
| Name: | us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1 | 
| Documentation: | Value of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions. | 
| Object type: | cm:Concept | 
| Data type: | Monetary (xbrli:monetaryItemType) | 
| Period type: | For Period (duration) | 
| Balance type: | Credit | 
| Abstract: | false | 
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1 | 
| Label | Role | Language | 
| Transfer of Portfolio Loans and Leases to Held-for-sale | http://www.xbrl.org/2003/role/label | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 230 10 50 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 230 | 
| FASB Accounting Standards Codification 230 10 50 4 | http://fasb.org/us-gaap/role/ref/legacyRef | 230 | 
| FASB Accounting Standards Codification 230 10 50 5 | http://fasb.org/us-gaap/role/ref/legacyRef | 230 |