Subsequent Events -Schedule of Rent Collections (Details) - COVID-19	Oct. 31, 2020	Sep. 30, 2020	Jun. 30, 2020
Core Portfolio | Subsequent Event
Subsequent Event [Line Items]
Percentage of rent collections	90.00%
Core Portfolio | First Quarter
Subsequent Event [Line Items]
Percentage of rent collections			71.00%
Core Portfolio | Second Quarter 2020
Subsequent Event [Line Items]
Percentage of rent collections		74.00%	71.00%
Core Portfolio | Second Quarter 2020 | Subsequent Event
Subsequent Event [Line Items]
Percentage of rent collections	76.00%
Core Portfolio | Third Quarter 2020
Subsequent Event [Line Items]
Percentage of rent collections		85.00%
Core Portfolio | Third Quarter 2020 | Subsequent Event
Subsequent Event [Line Items]
Percentage of rent collections	87.00%
Opportunity Funds | Subsequent Event
Subsequent Event [Line Items]
Percentage of rent collections	81.00%
Opportunity Funds | First Quarter
Subsequent Event [Line Items]
Percentage of rent collections			62.00%
Opportunity Funds | Second Quarter 2020
Subsequent Event [Line Items]
Percentage of rent collections		65.00%	62.00%
Opportunity Funds | Second Quarter 2020 | Subsequent Event
Subsequent Event [Line Items]
Percentage of rent collections	67.00%
Opportunity Funds | Third Quarter 2020
Subsequent Event [Line Items]
Percentage of rent collections		77.00%
Opportunity Funds | Third Quarter 2020 | Subsequent Event
Subsequent Event [Line Items]
Percentage of rent collections	79.00%