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DESCRIPTION OF BUSINESS (Details)
$ in Thousands, ft² in Millions
3 Months Ended
Apr. 27, 2022
Mar. 31, 2023
USD ($)
ft²
country
property
state
a
loan
Dec. 31, 2022
USD ($)
Real Estate Properties      
Number of commercial loan investment | loan   3  
Investment in Alpine Income Property Trust, Inc. | $   $ 39,259 $ 42,041
Stock split ratio 3    
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. | $   $ 39,259 $ 42,041
Investment ownership percentage (as a percent)   14.80%  
Florida      
Real Estate Properties      
Number of states in which entity operates | country   19  
Subsurface area of portfolio of mineral interests | a   353,000  
Commercial Real Estate Portfolio Segment      
Real Estate Properties      
Number of commercial loan investment | loan   3  
Commercial      
Real Estate Properties      
Number of real estate properties   23  
Number of states in which entity operates | state   9  
Gross leasable space | ft²   3.7  
Number of preferred equity investment   1  
Single-tenant      
Real Estate Properties      
Number of real estate properties   8  
Multi-tenant      
Real Estate Properties      
Number of real estate properties   15