Recent Transactions (Consolidation) (Narrative) (Details) |
9 Months Ended | ||
|---|---|---|---|
|
Mar. 12, 2020
USD ($)
ft²
|
Sep. 30, 2020
USD ($)
|
Sep. 30, 2019
USD ($)
|
|
| Real Estate Properties [Line Items] | |||
| Purchase price of property | $ 123,785,000 | $ 79,842,000 | |
| Gain on change of control of interests | $ 13,790,000 | ||
| Port Imperial North Retail, L.L.C. [Member] | |||
| Real Estate Properties [Line Items] | |||
| Total consolidated net assets | 15,033,000 | ||
| Port Imperial North Retail, L.L.C. [Member] | Unconsolidated Joint Venture Multi-Family Properties [Member] | |||
| Real Estate Properties [Line Items] | |||
| Percentage of additional interest acquired | 80.00% | ||
| Area of property (in square feet) | ft² | 30,745 | ||
| Purchase price of property | $ 13,300,000 | ||
| Gain on change of control of interests | 0 | ||
| Total consolidated net assets | $ 15,000,000.0 | ||