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Acquisitions and Dispositions - Additional Information (Details) $ in Thousands |  |  | 9 Months Ended |
--- | --- | --- | --- | ---
Jul. 25, 2023 USD ($) | Jul. 20, 2023 USD ($) joint_venture store shares | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Dec. 31, 2023 USD ($)
Asset Acquisition [Line Items] |  |  |  |  |
Total consideration paid for repurchase |  |  | $ 6,062,896 | $ 4,617,755 |
Life Storage, Inc |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |
Total consideration paid for repurchase |  | $ 375,000 |  |  |
Unsecured senior notes |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |
Senior note balances |  |  | $ 7,725,000 |  | $ 6,725,000
Unsecured senior notes | Senior Notes, Assumed From Life Storage |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |
Total consideration paid for repurchase | $ 2,351,100 |  |  |  |
Senior note balances | $ 48,900 |  |  |  |
Life Storage, Inc |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |
Wholly-owned stores acquired | store |  | 757 |  |  |
Joint venture stores acquired | joint_venture |  | 1 |  |  |
Equity interest issued conversion ratio (in shares) | shares |  | 0.895 |  |  |
Consideration transferred |  | $ 11,602,808 |  |  |
Real estate assets, estimated useful life |  | 39 years |  |  |
Tenant relationships, estimated useful life |  | 18 months |  |  |
Intangible assets, amortization period |  | 36 months |  |  |
Life Storage, Inc | Line of Credit |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |
Extinguishment of liability component |  | $ 1,160,000 |  |  |
Life Storage, Inc | Secured Debt |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |
Total consideration paid for repurchase |  | $ 32,000 |  |  |

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