| Name | LoanToValueDomain |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | nonnum:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Debt-to-value (DTV) ratio, for example, but not limited to, 80% to 100%. Element name and standard label in DTV [numeric lower end] to [numeric higher end] Percent [Member] or DTV Greater Than [low end numeric value] Percent [Member] or DTV Less Than [high end numeric value] Percent [Member] formats. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Debt-to-Value [Domain] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |