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FAIR VALUE MEASUREMENTS - Fair value of mortgages payable (Details) - Mortgages payable $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 USD ($) Y | Dec. 31, 2024 USD ($) Y
FAIR VALUE MEASUREMENTS |  |
Fair value of mortgages payable | $ 457,308 | $ 398,934
Carrying value of mortgages payable, gross | 463,103 | 424,978
Fair value less than carrying value | $ (5,795) | $ (26,044)
Weighted average interest rate | 4.79% | 4.56%
Blended market interest rate |  |
FAIR VALUE MEASUREMENTS |  |
Long-term debt, measurement input | 0.0545 | 0.0628
Weighted average remaining term to maturity |  |
FAIR VALUE MEASUREMENTS |  |
Long-term debt, measurement input | Y | 6 | 6.1

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- Definition Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations before netting of deferred finance costs. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. + References No definition available. + Details
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