REAL ESTATE SOLD AND HELD FOR SALE DISCONTINUED OPERATIONS (Details) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2022 USD ($) ft²	Dec. 31, 2021 USD ($) ft² Integer
Real Estate Properties Sold and Held for Sale [Line Items]
Right of use liability, ground lease	$ 20,509	$ 22,898
Real estate held-for-sale
Real Estate Properties Sold and Held for Sale [Line Items]
Number of Real Estate Properties | Integer		1
2022 dispositions
Real Estate Properties Sold and Held for Sale [Line Items]
Size (square feet) | ft²	287,000
Net sales price	$ 51,006
Basis	10,007
Recognized gain	$ 40,999
Metro Business Park | 2022 dispositions
Real Estate Properties Sold and Held for Sale [Line Items]
Size (square feet) | ft²	189,000
Date sold	Jan. 06, 2022
Net sales price	$ 32,851
Basis	5,880
Recognized gain	$ 26,971
Cypress Creek Business Park | 2022 dispositions
Real Estate Properties Sold and Held for Sale [Line Items]
Size (square feet) | ft²	56,000
Date sold	Mar. 31, 2022
Net sales price	$ 5,282
Basis	1,901
Recognized gain	3,381
Right of use asset, ground lease	1,745
Right of use liability, ground lease	$ 1,745
World Houston 15 East | 2022 dispositions
Real Estate Properties Sold and Held for Sale [Line Items]
Size (square feet) | ft²	42,000
Date sold	May 11, 2022
Net sales price	$ 12,873
Basis	2,226
Recognized gain	$ 10,647
Jetport Commerce Park | 2021 dispositions
Real Estate Properties Sold and Held for Sale [Line Items]
Size (square feet) | ft²		284,000
Date sold		Nov. 09, 2021
Net sales price		$ 44,260
Basis		5,401
Recognized gain		$ 38,859