SEGMENT REPORTING - Operating Activity Within Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
OPERATING INCOME	$ 31,492	$ 28,316	$ 61,209	$ 56,658
Total segments’ profit	69,924	67,015	138,541	132,911
Office
Segment Reporting Information [Line Items]
Property revenue	52,219	50,593	103,189	100,162
Property expense	(14,894)	(14,063)	(29,714)	(27,393)
OPERATING INCOME	37,325	36,530	73,475	72,769
Retail
Segment Reporting Information [Line Items]
Property revenue	25,901	24,338	51,528	49,179
Property expense	(7,555)	(7,430)	(15,259)	(15,158)
OPERATING INCOME	18,346	16,908	36,269	34,021
Multifamily
Segment Reporting Information [Line Items]
Property revenue	15,193	14,214	30,756	28,103
Property expense	(6,786)	(6,221)	(13,317)	(12,300)
OPERATING INCOME	8,407	7,993	17,439	15,803
Mixed-use
Segment Reporting Information [Line Items]
Property revenue	16,408	15,010	32,002	28,181
Property expense	(10,562)	(9,426)	(20,644)	(17,863)
OPERATING INCOME	$ 5,846	$ 5,584	$ 11,358	$ 10,318