Basis of Presentation and Summary of Significant Accounting Policies (Consolidation And Equity Method Of Accounting) (Narrative) (Details) - Variable Interest Entity, Primary Beneficiary	Sep. 30, 2021 company storageFacility	Jun. 30, 2021 company
Summary Of Significant Accounting Policies [Line Items]
Number of limited liability companies consolidated \| company	3	3
ezStorage
Summary Of Significant Accounting Policies [Line Items]
Number of self-storage facilities acquired \| storageFacility	48

Summary Of Significant Accounting Policies [Line Items].

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