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Investments in Unconsolidated Real Estate Entities (Details) $ in Thousands | 1 Months Ended |  |
--- | --- | --- | ---
May 31, 2023 USD ($) | Oct. 31, 2019 USD ($) | Jun. 30, 2024 USD ($) property | Dec. 31, 2023 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of Stores | property |  |  | 472 |
Investment balance |  |  | $ 992,022 | $ 1,000,548
PRISA Self Storage LLC |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of Stores | property |  |  | 85 |
Equity Ownership % |  |  | 4.00% |
Excess Profit % |  |  | 4.00% |
Investment balance |  |  | $ 9,209 | 9,435
HF1 Sovran HHF Storage Holdings LLC |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of Stores | property |  |  | 37 |
Equity Ownership % |  |  | 20.00% |
Excess Profit % |  |  | 20.00% |
Investment balance |  |  | $ 103,775 | 105,339
Storage Portfolio II JV LLC |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of Stores | property |  |  | 36 |
Equity Ownership % |  |  | 10.00% |
Excess Profit % |  |  | 30.00% |
Investment balance |  |  | $ (8,846) | (8,314)
Storage Portfolio IV JV LLC |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of Stores | property |  |  | 32 |
Equity Ownership % |  |  | 10.00% |
Excess Profit % |  |  | 30.00% |
Investment balance |  |  | $ 47,685 | 48,184
Storage Portfolio I LLC |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of Stores | property |  |  | 24 |
Equity Ownership % |  |  | 34.00% |
Excess Profit % |  |  | 49.00% |
Investment balance |  |  | $ (43,060) | (42,487)
PR II EXR JV LLC |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of Stores | property |  |  | 23 |
Equity Ownership % |  |  | 25.00% |
Excess Profit % |  |  | 25.00% |
Investment balance |  |  | $ 106,930 | 108,160
HF2 Sovran HHF Storage Holdings II LLC |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of Stores | property |  |  | 22 |
Equity Ownership % |  |  | 15.00% |
Excess Profit % |  |  | 15.00% |
Investment balance |  |  | $ 41,376 | 41,613
HF5 Life Storage-HIERS Storage LLC |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of Stores | property |  |  | 17 |
Equity Ownership % |  |  | 20.00% |
Excess Profit % |  |  | 20.00% |
Investment balance |  |  | $ 25,586 | 26,051
HF6 191 V Life Storage Holdings LLC |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of Stores | property |  |  | 17 |
Equity Ownership % |  |  | 20.00% |
Excess Profit % |  |  | 20.00% |
Investment balance |  |  | $ 11,566 | 12,702
HF6 191 V Life Storage Holdings LLC | Minimum |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Excess Profit % |  |  | 55.00% |
ESS-CA TIVS JV LP |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of Stores | property |  |  | 16 |
Equity Ownership % |  |  | 55.00% |
Investment balance |  |  | $ 28,302 | 29,128
ESS-CA TIVS JV LP | Maximum |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Excess Profit % |  |  | 65.00% |
VRS Self Storage, LLC |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of Stores | property |  |  | 16 |
Equity Ownership % |  |  | 45.00% |
Excess Profit % |  |  | 54.00% |
Investment balance |  |  | $ (17,069) | (16,386)
HF10 Life Storage HHF Wasatch Holdings LLC |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of Stores | property |  |  | 16 |
Equity Ownership % |  |  | 20.00% |
Excess Profit % |  |  | 20.00% |
Investment balance |  |  | $ 19,849 | 20,019
Other unconsolidated real estate ventures |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of Stores | property |  |  | 131 |
Investment balance |  |  | $ 316,719 | 317,104
Other unconsolidated real estate ventures | Minimum |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity Ownership % |  |  | 10.00% |
Other unconsolidated real estate ventures | Maximum |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity Ownership % |  |  | 50.00% |
SmartStop Self Storage REIT, Inc. Preferred Stock |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investment balance |  | $ 200,000 | $ 200,000 | 200,000
Investment, preferred dividend rate |  | 6.25% |  |
Period after which preferred stock dividend is subject to increase |  | 5 years |  |
Investment redemption restriction period |  | 5 years |  |
Strategic Storage Trust VI, Inc. Preferred Stock |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investment balance |  |  | $ 150,000 | $ 150,000
Investment in shares | $ 150,000 |  |  |
Dividend rate, percentage | 8.35% |  |  |
Dividend rate increase, threshold | 5 years |  |  |
Redemption period | 3 years |  |  |

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