Acquisitions and Dispositions - Store Acquisitions (Detail) storage_unit in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) store	Mar. 31, 2022 USD ($) store	Jun. 01, 2022 storage_unit
Business Acquisition [Line Items]
Number of Stores | store	1	14
Cash Paid	$ 13,111	$ 185,910
Finance Lease Liability	0	0
Investments in Real Estate Ventures	0	747
Net Liabilities/ (Assets) Assumed	6	274
Value of Equity Issued	0	40,965
Total	$ 13,117	$ 227,896
Bargold
Business Acquisition [Line Items]
Number of storage units | storage_unit			17
Occupancy rate			97.00%