| Name | ConventionalLoanMember |
|---|---|
| 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 |
|---|---|---|---|
| Conventional Mortgage Loan [Member] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Mortgage loan issued by a bank, which is typically in an amount between 70 to 80 percent of the purchase price of the property securing the loan, has a repayment period of 15 to 30 years, and requires that certain credit criteria be met. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| TaxonomyVersion | 2018 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2017-08 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedReferences | true | http://fasb.org/srt/role/changeNote/changeNote |
| Publisher | FASB | http://www.xbrl.org/2003/role/exampleRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/exampleRef |
| Topic | 948 | http://www.xbrl.org/2003/role/exampleRef |
| SubTopic | 310 | http://www.xbrl.org/2003/role/exampleRef |
| Section | S99 | http://www.xbrl.org/2003/role/exampleRef |
| Paragraph | 1 | http://www.xbrl.org/2003/role/exampleRef |
| Subparagraph | (SX 210.12-29(Footnote 3)) | http://www.xbrl.org/2003/role/exampleRef |
| URI | http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014 | http://www.xbrl.org/2003/role/exampleRef |
| Name | Relation Type | Role | |
|---|---|---|---|
srt:MortgageLoansOnRealEstateLoanTypeDomain | parent-child | http://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-29MortgageLoansOnRealEstate | |
srt:MortgageLoansOnRealEstateLoanTypeDomain | domain-member | http://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-29MortgageLoansOnRealEstateMortgageLoansOnRealEstateScheduleTable |