DESCRIPTION OF BUSINESS - Investment Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Equity Securities, FV-NI
Investment in Alpine Income Property Trust, Inc.	$ 51,310	$ 41,324
Alpine Income Property Trust, Inc. Common Stock and Alpine Income Property OP, LP Limited Partnership Units
Equity Securities, FV-NI
Investment in Alpine Income Property Trust, Inc.	$ 51,300
Investment in Alpine Income Property Trust, Inc., ownership percentage (as a percent)	13.10%
Investment conversion ratio	1

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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+ Details