REPORTING SEGMENTS AND RELATED INFORMATION - Revenue Components of Real Estate Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue from External Customer [Line Items]
Commercial/industrial revenues	$ 41,886	$ 44,739	$ 79,217
Equity in earnings of unconsolidated joint ventures	10,881	6,868	7,752
Costs and expenses	51,084	48,438	65,488
Operating Segments
Revenue from External Customer [Line Items]
Commercial/industrial revenues	41,886	44,739	79,217
Real estate - commercial/industrial | Operating Segments
Revenue from External Customer [Line Items]
Commercial/industrial revenues	12,552	11,758	40,515
Equity in earnings of unconsolidated joint ventures	10,881	6,868	7,752
Commercial/industrial revenues and equity in earnings of unconsolidated joint ventures	23,433	18,626	48,267
Cost of sales of land	0	(176)	8,623
Operating expenses	3,453	4,229	3,997
General and administrative expenses	3,592	3,146	2,923
Other expenses	865	854	813
Costs and expenses	7,910	8,053	16,356
Operating results from commercial/industrial and unconsolidated joint ventures	$ 15,523	$ 10,573	$ 31,911