REAL ESTATE - Summary of Real Estate Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Real Estate Properties [Line Items]
Land	$ 701,266	$ 701,326
Buildings	2,388,906	2,373,706
Land improvements	79,521	75,534
Tenant improvements	325,737	315,741
Furniture, fixtures, and equipment	45,836	41,306
Construction in progress	200,502	163,856
Total Real estate, at cost	3,741,768	3,671,469
Accumulated depreciation	(1,036,453)	(936,913)
Net real estate	2,705,315	2,734,556
Retail
Real Estate Properties [Line Items]
Land	254,016	254,016
Buildings	531,042	529,589
Land improvements	52,393	49,512
Tenant improvements	94,571	92,225
Furniture, fixtures, and equipment	1,321	1,290
Construction in progress	7,306	7,471
Total Real estate, at cost	940,649	934,103
Accumulated depreciation	(377,117)	(354,884)
Net real estate	563,532	579,219
Office
Real Estate Properties [Line Items]
Land	297,947	298,007
Buildings	1,325,835	1,316,916
Land improvements	16,108	15,284
Tenant improvements	228,253	221,163
Furniture, fixtures, and equipment	6,123	5,530
Construction in progress	189,417	151,734
Total Real estate, at cost	2,063,683	2,008,634
Accumulated depreciation	(449,360)	(393,155)
Net real estate	1,614,323	1,615,479
Multifamily
Real Estate Properties [Line Items]
Land	72,668	72,668
Buildings	401,536	397,731
Land improvements	8,414	8,132
Tenant improvements	0	0
Furniture, fixtures, and equipment	20,323	19,059
Construction in progress	3,676	3,739
Total Real estate, at cost	506,617	501,329
Accumulated depreciation	(145,384)	(130,336)
Net real estate	361,233	370,993
Mixed-Use
Real Estate Properties [Line Items]
Land	76,635	76,635
Buildings	130,493	129,470
Land improvements	2,606	2,606
Tenant improvements	2,913	2,353
Furniture, fixtures, and equipment	18,069	15,427
Construction in progress	103	912
Total Real estate, at cost	230,819	227,403
Accumulated depreciation	(64,592)	(58,538)
Net real estate	$ 166,227	$ 168,865