v3.26.3
INVESTMENT SECURITIES - Available-for-Sale Securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Debt Securities, Trading, and Equity Securities, FV-NI    
Cost $ 45,739 $ 45,739
Unrealized Losses in Investment Income (2,858) (4,415)
Investment Securities 42,881 41,324
Alpine Income Property Trust, Inc. Common Stock and Alpine Income Property OP, LP Limited Partnership Units    
Debt Securities, Trading, and Equity Securities, FV-NI    
Investment Securities 42,900  
Common Stock    
Debt Securities, Trading, and Equity Securities, FV-NI    
Cost 22,486 22,486
Unrealized Losses in Investment Income (839) (1,625)
Investment Securities 21,647 20,861
Alpine Income Property OP, LP Limited Partnership Units    
Debt Securities, Trading, and Equity Securities, FV-NI    
Cost 23,253 23,253
Unrealized Losses in Investment Income (2,019) (2,790)
Investment Securities $ 21,234 $ 20,463