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Organization, Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Tenant Operating Status (Details) | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020
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Core Portfolio |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |
Percentage of Tenants Open for Business | 88.00% | 86.00% | 74.00%
Opportunity Funds |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |
Percentage of Tenants Open for Business | 82.00% | 88.00% | 74.00%
COVID-19 | Core Portfolio |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |
Percentage of Tenants Open for Business | 88.00% | 86.00% | 74.00%
COVID-19 | Opportunity Funds |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |
Percentage of Tenants Open for Business | 82.00% | 88.00% | 74.00%

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