BUSINESS SEGMENT DATA - Identifiable Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Segment Reporting, Reconciliation of Asset by Segment to Consolidated
Total Assets	$ 1,405,729	$ 1,263,902
Operating Segments \| Income Properties
Segment Reporting, Reconciliation of Asset by Segment to Consolidated
Total Assets	1,149,144	1,102,631
Operating Segments \| Management Services
Segment Reporting, Reconciliation of Asset by Segment to Consolidated
Total Assets	1,860	2,465
Operating Segments \| Commercial Loans and Investments
Segment Reporting, Reconciliation of Asset by Segment to Consolidated
Total Assets	209,424	118,129
Corporate and Other
Segment Reporting, Reconciliation of Asset by Segment to Consolidated
Total Assets	$ 45,301	$ 40,677

Amount of asset recognized for present right to economic benefit.

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+ Details