SEGMENT REPORTING - Capital Expenditures (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Capital expenditures	$ 25,695	$ 32,128
Office
Segment Reporting Information [Line Items]
Capital expenditures	20,725	26,666
Retail
Segment Reporting Information [Line Items]
Capital expenditures	2,525	3,560
Multifamily
Segment Reporting Information [Line Items]
Capital expenditures	1,313	1,571
Mixed-use
Segment Reporting Information [Line Items]
Capital expenditures	$ 1,132	$ 331