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REAL ESTATE INVESTMENTS - Acquired intangibles (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
REAL ESTATE INVESTMENTS |  |  |
Accumulated amortization, Intangible Lease Liabilities | $ 2,787 | $ 5,191 |
Amortization of acquired intangible lease assets/liabilities | 1,210 | 952 | $ 831
Rental income, net |  |  |
REAL ESTATE INVESTMENTS |  |  |
Amortization of acquired intangible lease assets/liabilities | 1,210 | 952 | 831
Depreciation and amortization |  |  |
REAL ESTATE INVESTMENTS |  |  |
Amortization of tenant origination costs | 3,980 | 4,821 | 4,722
Interest expense |  |  |
REAL ESTATE INVESTMENTS |  |  |
Amortization of intangible mortgage assets | 137 | 114 | $ 12
Lease Intangible |  |  |
REAL ESTATE INVESTMENTS |  |  |
Accumulated amortization, Intangible Assets | 17,090 | 19,377 |
Intangible, Mortgage Assets |  |  |
REAL ESTATE INVESTMENTS |  |  |
Accumulated amortization, Intangible Assets | $ 263 | $ 126 |

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