REAL ESTATE - Purchase Price Allocation (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Real Estate [Line Items]
Land	$ 701,266	$ 701,326
Buildings	2,388,906	2,373,706
Land improvements	79,521	75,534
Prepaid expenses and other assets	10,457	9,277
TOTAL ASSETS	2,984,681	2,987,881
Accounts payable and accrued expenses	(61,312)	(65,992)
Security deposits payable	(8,880)	(8,699)
Other liabilities and deferred credits	(71,187)	(79,577)
Liabilities assumed	$ (1,831,006)	(1,802,356)
Bel-Spring 520 | Office Building
Real Estate [Line Items]
Land		13,744
Buildings		27,793
Land improvements		713
Furniture, fixtures, and equipment		1,833
Total real estate		44,083
Lease intangibles		2,036
Prepaid expenses and other assets		10
TOTAL ASSETS		46,129
Accounts payable and accrued expenses		(14)
Security deposits payable		(189)
Other liabilities and deferred credits		(641)
Liabilities assumed		$ (844)