REPORTING SEGMENTS AND RELATED INFORMATION - Revenue Components of Real Estate Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue from External Customer [Line Items]
Equity in earnings of unconsolidated joint ventures, net	$ 1,663	$ 1,365	$ 2,876	$ 1,306
Total expenses	11,587	14,113	27,395	26,221
Operating Segments
Revenue from External Customer [Line Items]
Commercial/industrial revenues	9,269	16,638	30,289	27,692
Real estate - commercial/industrial | Operating Segments
Revenue from External Customer [Line Items]
Commercial/industrial revenues	2,462	8,126	9,811	10,354
Equity in earnings of unconsolidated joint ventures, net	1,663	1,365	2,876	1,306
Commercial/industrial revenues and equity in earnings of unconsolidated joint ventures	4,125	9,491	12,687	11,660
Total expenses	1,822	4,712	4,558	6,264
Operating results from commercial/industrial and unconsolidated joint ventures	$ 2,303	$ 4,779	$ 8,129	$ 5,396