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DESCRIPTION OF BUSINESS (Details) a in Thousands, $ in Thousands, ft² in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2024 USD ($) ft² a property loan country state | Dec. 31, 2023 USD ($)
Real Estate Properties |  |
Number of commercial loan investments | loan | 4 |
Investment in Alpine Income Property Trust, Inc. | $ | $ 42,997 | $ 39,445
Alpine Income Property Trust, Inc. Common Stock and Alpine Income Property OP, LP Limited Partnership Units |  |
Real Estate Properties |  |
Investment in Alpine Income Property Trust, Inc. | $ | $ 42,997 | $ 39,445
Investment ownership percentage (as a percent) | 15.30% |
Conversion ratio on merger | 1 |
Florida |  |
Real Estate Properties |  |
Number of states in which entity operates | country | 19 |
Subsurface area of portfolio of mineral interests | a | 352 |
Commercial |  |
Real Estate Properties |  |
Number of real estate properties | property | 22 |
Number of states in which entity operates | state | 7 |
Gross leasable space | ft² | 4.6 |
Number of preferred equity investment | property | 2 |

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