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Simply Acquisition (Narrative) (Details) - Simply Acquisition $ in Thousands, ft² in Millions	Sep. 13, 2023 USD ($) ft² storage_facility
Asset Acquisition [Line Items]
Number of operating self-storage facilities acquired | storage_facility	127
Net rentable area acquired (in Sq.ft) | ft²	9.4
Number of self-storage facilities to manage for third parties | storage_facility	25
Total cost of acquisition	$ 2,184,183
Cash acquired	6,032
Direct transaction cost	$ 9,600

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