| Name | LoanToValueAxis |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrldt:dimensionItem |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Debt-to-Value [Axis] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Information by debt-to-value ratio, for example, but not limited to, 80% to 100%. Element name and standard label in Debt-to-Value [numeric lower end] to [numeric higher end] Percent [Member] or Debt-to-Value Greater Than [low end numeric value] Percent [Member] or Debt-to-Value 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 |
| Name | Value | Role |
|---|---|---|
| Publisher | FASB | http://www.xbrl.org/2003/role/exampleRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/exampleRef |
| Topic | 326 | http://www.xbrl.org/2003/role/exampleRef |
| SubTopic | 20 | http://www.xbrl.org/2003/role/exampleRef |
| Section | 55 | http://www.xbrl.org/2003/role/exampleRef |
| Paragraph | 15 | http://www.xbrl.org/2003/role/exampleRef |
| Subparagraph | (d) | http://www.xbrl.org/2003/role/exampleRef |
| URI | http://asc.fasb.org/extlink&oid=121647567&loc=SL82921842-210448 | http://www.xbrl.org/2003/role/exampleRef |