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DESCRIPTION OF BUSINESS (Details)
$ in Thousands, ft² in Millions
3 Months Ended
Mar. 31, 2025
USD ($)
ft²
state
property
loan
Dec. 31, 2024
USD ($)
a
country
Mar. 31, 2024
a
DESCRIPTION OF BUSINESS      
Number of commercial loan investments | loan 5    
Investment in Alpine Income Property Trust, Inc. | $ $ 39,501 $ 39,666  
Alpine Income Property Trust, Inc. Common Stock and Alpine Income Property OP, LP Limited Partnership Units      
DESCRIPTION OF BUSINESS      
Investment in Alpine Income Property Trust, Inc. | $ $ 39,501 $ 39,666  
Investment ownership percentage (as a percent) 15.10%    
Conversion ratio on merger 1    
FLORIDA      
DESCRIPTION OF BUSINESS      
Number of states in which entity operates | country   19  
Subsurface area of portfolio of mineral interests | a   352,000 352,000
Commercial Real Estate [Member]      
DESCRIPTION OF BUSINESS      
Number of real estate properties | property 24    
Number of states in which entity operates | state 7    
Gross leasable space | ft² 5.2    
Number of preferred equity investment | property 2