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Acquisitions and Dispositions - Asset Acquisition - Life Storage (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jul. 20, 2023 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Total consideration |  | $ 160,627 | $ 27,741 | $ 35,255 | $ 18,664 | $ 32,914 | $ 13,117 | $ 223,623 | $ 64,695
Life Storage, Inc |  |  |  |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Equity | $ 11,602,808 |  |  |  |  |  |  |  |
Cash for payoff of Life Storage credit facility and debt | 1,192,000 |  |  |  |  |  |  |  |
Transaction Costs | 55,318 |  |  |  |  |  |  |  |
Total consideration | 12,850,127 |  |  |  |  |  |  |  |
Real estate assets | 14,587,735 |  |  |  |  |  |  |  |
Equity investment in joint venture partnerships | 325,250 |  |  |  |  |  |  |  |
Cash and other assets | 107,423 |  |  |  |  |  |  |  |
Intangible assets - other | 82,000 |  |  |  |  |  |  |  |
Trade name | 50,000 |  |  |  |  |  |  |  |
Unsecured senior notes | (2,106,866) |  |  |  |  |  |  |  |
Accounts payable, accrued expenses and other liabilities | (191,077) |  |  |  |  |  |  |  |
Noncontrolling interests | (4,338) |  |  |  |  |  |  |  |
Fair value of net assets acquired | 12,850,127 |  |  |  |  |  |  |  |
Life Storage, Inc | Common stock |  |  |  |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Equity | 11,353,338 |  |  |  |  |  |  |  |
Life Storage, Inc | OP units |  |  |  |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Equity | $ 249,470 |  |  |  |  |  |  |  |

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