INVESTMENT SECURITIES - Tabular Disclosure (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Trading, and Equity Securities, FV-NI [Abstract]
Investment Securities	$ 39,666	$ 39,445
Alpine Income Property Trust, Inc. Common Stock and Alpine Income Property OP, LP Limited Partnership Units
Debt Securities, Trading, and Equity Securities, FV-NI [Abstract]
Cost	44,182	43,735
Unrealized Losses in Investment Income	(4,516)	(4,290)
Investment Securities	39,666	39,445
Common Stock
Debt Securities, Trading, and Equity Securities, FV-NI [Abstract]
Cost	20,929	20,482
Unrealized Losses in Investment Income	(1,812)	(1,732)
Investment Securities	19,117	18,750
Alpine Income Property OP, LP Limited Partnership Units
Debt Securities, Trading, and Equity Securities, FV-NI [Abstract]
Cost	23,253	23,253
Unrealized Losses in Investment Income	(2,704)	(2,558)
Investment Securities	$ 20,549	$ 20,695