Property Acquisitions and Dispositions - Asset Acquisition, Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Asset Acquisition [Line Items]
Trade name	$ 50,000	$ 50,000	$ 0
Accumulated Amortization	317,511	317,511	144,144
Amortization Expense		59,807	$ 13,981	$ 4,778
Life Storage, Inc
Asset Acquisition [Line Items]
Trade name	50,000	50,000
Intangible assets - other	82,000	82,000
Gross Carrying Amount	132,000	132,000
Accumulated Amortization	15,695	15,695
Amortization Expense	9,417	15,695
2024	23,375	23,375
2025	19,833	19,833
2026	$ 11,569	$ 11,569

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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