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RELATED PARTY TRANSACTIONS - Joint Venture Partners and Affiliates (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Unconsolidated Joint Ventures |  |  |  |  |
Related Party Transactions |  |  |  |  |
Payments for property management services | $ 28,000 | $ 27,000 | $ 88,000 | $ 68,000 |
Decrease in equity earnings, joint venture transaction | 14,000 | 14,000 | 44,000 | 34,000 |
Leasing commission and development fees paid to unconsolidated joint venture partner |  |  |  |  | $ 75,000
Joint Venture Partners and Affiliates |  |  |  |  |
Related Party Transactions |  |  |  |  |
Payments for property management services | $ 21,000 | $ 20,000 | $ 59,000 | $ 56,000 |

X
- Definition Reduction of equity in earnings of unconsolidated joint ventures on the consolidated statement of income. + References No definition available. + Details
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X
- Definition The amount of leasing commissions and development fees paid to an unconsolidated joint venture partner. + References No definition available. + Details
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