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VARIABLE INTEREST ENTITIES, CONTINGENT LIABILITY AND CONSOLIDATED JOINT VENTURES - Ground Leases (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 02, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2016
Variable Interest Entities - Ground Lease |  |  |  |  |  |
Revenue |  | $ 20,422,000 | $ 20,861,000 | $ 41,238,000 | $ 42,100,000 |
Variable Interest Entity, Not Primary Beneficiary | The Vue Apartments, Beachwood, Ohio |  |  |  |  |  |
Variable Interest Entities - Ground Lease |  |  |  |  |  |
Maximum Exposure to Loss |  | 15,108,000 |  | 15,108,000 |  |
Owner/ Operator Mortgage from Third Party |  |  |  |  |  | $ 67,444,000
Current Balance of Owner or Operator Mortgage Debt Obtained From Third Party |  | 66,590,000 |  | $ 66,590,000 |  |
Percentage of operating expense shortfalls covered by the Company |  |  |  | 78.00% |  |
Amount of operating expense shortfalls covered by the Company | $ 11,000 | 702,000 |  | $ 1,132,000 |  |
Variable Interest Entity, Not Primary Beneficiary | The Vue Apartments, Beachwood, Ohio | Ground lease rental income |  |  |  |  |  |
Variable Interest Entities - Ground Lease |  |  |  |  |  |
Revenue |  | $ 0 | $ 243,000 | $ 0 | $ 486,000 |

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