| Standard label: | Junior Lien [Member] |
| Name: | us-gaap:JuniorLienMember |
| Documentation: | Legal right, after the claims of senior lien holders are satisfied, for a creditor to possess property or other collateral in satisfaction of an outstanding debt in the event of borrower default or bankruptcy. Excludes second mortgage loans. |
| Object type: | cm:Member |
| Data type: | [Member] (nonnum:domainItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:JuniorLienMember |
| Label | Role | Language |
| Junior Lien [Member] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |