| Standard label: | Real Estate Owned, Valuation Allowance, Amounts Applied |
| Name: | us-gaap:RealEstateOwnedValuationAllowanceAmountsApplied |
| Documentation: | Amount of the valuation allowance for real estate owned that was applied in the period against the carrying amount of real estate owned that was sold, written down or written off. |
| 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:RealEstateOwnedValuationAllowanceAmountsApplied |
| Label | Role | Language |
| Real Estate Owned, Valuation Allowance, Amounts Applied | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 942 210 S99 1 (SX 210.9-03.10(4)) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |