Subsequent Events - Schedule of Tenant Operating Status (Details)	Jan. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020
Core Portfolio
Subsequent Event [Line Items]
Percentage of Tenants Open for Business		88.00%	86.00%	74.00%
Core Portfolio | Subsequent Event
Subsequent Event [Line Items]
Percentage of Tenants Open for Business	89.00%
Opportunity Funds
Subsequent Event [Line Items]
Percentage of Tenants Open for Business		82.00%	88.00%	74.00%
Opportunity Funds | Subsequent Event
Subsequent Event [Line Items]
Percentage of Tenants Open for Business	85.00%