| Name | MortgageLoansOnRealEstateAmortizationOfPremium |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Amortization of Premium | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Amount of decrease in investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from amortization of premium. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Note | Element is modeled from perspective of statement of financial position. | http://fasb.org/us-gaap/role/tin/usage |
| PublishDate | 2016-01 | http://fasb.org/us-gaap/role/tin/usage |
| Note | Element is intended to be used for financial statement schedule specified by Securities and Exchange Commission Regulation S-X. | http://fasb.org/us-gaap/role/tin/usage |
| PublishDate | 2018-01 | http://fasb.org/us-gaap/role/tin/usage |
| elementCreationTaxonomyVersion | 2008 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 948 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 310 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | S99 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 1 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (SX 210.12-29(Footnote 6)) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:MortgageLoansOnRealEstatePeriodIncreaseDecrease | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedFirstAlternative | |
us-gaap:MovementInMortgageLoansOnRealEstateRollForward | parent-child | http://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-29MortgageLoansOnRealEstate |