RELATED PARTY MANAGEMENT SERVICES BUSINESS - Summary of Amounts Due (Details) - Investee - Alpine Income Property Trust, Inc. - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Other receivables	$ 2,625	$ 1,300
Management Services Fee
Related Party Transaction [Line Items]
Other receivables	2,200	993
Dividend Receivable
Related Party Transaction [Line Items]
Other receivables	337	337
Other Transaction
Related Party Transaction [Line Items]
Other receivables	$ 88
Other liability		$ (30)