Leases - Schedule of Tenant Operating Status (Details)	Sep. 30, 2020	Jun. 30, 2020
Core
Operating Leased Assets [Line Items]
Percentage of Tenants Open for Business	86.00%	74.00%
Core | COVID-19
Operating Leased Assets [Line Items]
Percentage of Tenants Open for Business	86.00%	74.00%
Opportunity Funds
Operating Leased Assets [Line Items]
Percentage of Tenants Open for Business	88.00%	74.00%
Opportunity Funds | COVID-19
Operating Leased Assets [Line Items]
Percentage of Tenants Open for Business	88.00%	74.00%