ACQUISITIONS AND DISPOSITIONS - Schedule of Investments In Self Storage Property Acquisitions (Details) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2025 USD ($) property	Jun. 30, 2025 USD ($) property	Mar. 31, 2025 USD ($) property	Sep. 30, 2025 USD ($) property
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]
Number of Properties | property	0	1	3	4
Cash and Acquisition Costs	$ 0	$ 11,328	$ 12,434	$ 23,762
Value of Equity	0	0	0	0
Other	0	48	1,060	1,108
Total	$ 0	$ 11,376	$ 13,494	$ 24,870