SEGMENT REPORTING - Operating Activity Within Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
OPERATING INCOME	$ 29,716	$ 28,342
Total segments’ profit	68,616	65,896
Office
Segment Reporting Information [Line Items]
Property revenue	50,970	49,569
Property expense	(14,821)	(13,330)
OPERATING INCOME	36,149	36,239
Retail
Segment Reporting Information [Line Items]
Property revenue	25,627	24,841
Property expense	(7,704)	(7,728)
OPERATING INCOME	17,923	17,113
Multifamily
Segment Reporting Information [Line Items]
Property revenue	15,563	13,889
Property expense	(6,531)	(6,079)
OPERATING INCOME	9,032	7,810
Mixed-use
Segment Reporting Information [Line Items]
Property revenue	15,594	13,171
Property expense	(10,082)	(8,437)
OPERATING INCOME	$ 5,512	$ 4,734