DEBT - Fixed-Rate and Variable-Rate Debt, after Giving Effect to Interest Rate Derivatives (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Fixed rate debt	$ 956,849	$ 758,433
Fixed rate debt, percentage	65.00%	52.00%
Variable-rate debt	$ 504,491	$ 704,691
Variable-rate debt, percentage	35.00%	48.00%
Debt, gross	$ 1,461,340	$ 1,463,124
Wholly Owned Properties and Joint Venture Debt
Debt Instrument [Line Items]
Variable-rate debt, percentage	74.00%