REAL ESTATE - Summary of Real Estate Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Real Estate Properties [Line Items]
Construction in progress	$ 202,385	$ 139,098
Total Real estate, at cost	3,671,469	3,529,371
Accumulated depreciation	(936,913)	(847,390)
Net real estate	2,734,556	2,681,981
Retail
Real Estate Properties [Line Items]
Net real estate	579,219	591,107
Office
Real Estate Properties [Line Items]
Net real estate	1,615,479	1,536,212
Multifamily
Real Estate Properties [Line Items]
Net real estate	370,993	381,315
Mixed-Use
Real Estate Properties [Line Items]
Net real estate	168,865	173,347
Real Estate Investment
Real Estate Properties [Line Items]
Land	701,326	687,582
Buildings	2,373,706	2,320,332
Land improvements	75,534	72,064
Tenant improvements	315,741	310,525
Furniture, fixtures, and equipment	41,306	39,556
Construction in progress	163,856	99,312
Total Real estate, at cost	3,671,469	3,529,371
Accumulated depreciation	(936,913)	(847,390)
Net real estate	2,734,556	2,681,981
Real Estate Investment \| Retail
Real Estate Properties [Line Items]
Land	254,016	254,016
Buildings	529,589	527,262
Land improvements	49,512	47,425
Tenant improvements	92,225	89,520
Furniture, fixtures, and equipment	1,290	1,098
Construction in progress	7,471	7,160
Total Real estate, at cost	934,103	926,481
Accumulated depreciation	(354,884)	(335,374)
Net real estate	579,219	591,107
Real Estate Investment \| Office
Real Estate Properties [Line Items]
Land	298,007	284,263
Buildings	1,316,916	1,270,131
Land improvements	15,284	14,269
Tenant improvements	221,163	218,639
Furniture, fixtures, and equipment	5,530	5,003
Construction in progress	151,734	87,340
Total Real estate, at cost	2,008,634	1,879,645
Accumulated depreciation	(393,155)	(343,433)
Net real estate	1,615,479	1,536,212
Real Estate Investment \| Multifamily
Real Estate Properties [Line Items]
Land	72,668	72,668
Buildings	397,731	393,713
Land improvements	8,132	7,764
Tenant improvements	0	0
Furniture, fixtures, and equipment	19,059	18,039
Construction in progress	3,739	4,448
Total Real estate, at cost	501,329	496,632
Accumulated depreciation	(130,336)	(115,317)
Net real estate	370,993	381,315
Real Estate Investment \| Mixed-Use
Real Estate Properties [Line Items]
Land	76,635	76,635
Buildings	129,470	129,226
Land improvements	2,606	2,606
Tenant improvements	2,353	2,366
Furniture, fixtures, and equipment	15,427	15,416
Construction in progress	912	364
Total Real estate, at cost	227,403	226,613
Accumulated depreciation	(58,538)	(53,266)
Net real estate	$ 168,865	$ 173,347

Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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Amount before accumulated depreciation and depletion of additions or improvements to real estate held for productive use. Examples include, but are not limited to, walkways, driveways, fences, and parking lots.

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The cumulative amount of depreciation for real estate property held for investment purposes.

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Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Carrying amount as of the balance sheet date of improvements having a life longer than one year that were made for the benefit of one or more tenants.

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