| Standard label: | Real Estate Owned, Valuation Allowance, Component |
| Name: | us-gaap:RealEstateOwnedValuationAllowanceComponent |
| Documentation: | The valuation allowance loss on real estate owned or any impairment losses taken against real estate investments held for use or resale. |
| 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:RealEstateOwnedValuationAllowanceComponent |
| Label | Role | Language |
| Real Estate Owned, Valuation Allowance, Component | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 360 10 35 17 | http://fasb.org/us-gaap/role/ref/legacyRef | 360 |
| FASB Accounting Standards Codification 360 10 35 43 | http://fasb.org/us-gaap/role/ref/legacyRef | 360 |
| FASB Accounting Standards Codification 942 210 S99 1 (SX 210.9-03.10(4)) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |