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Noncontrolling Interests - Schedule of the Change in the Carrying Value of all Noncontrolling Interests (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Change in the carrying value of all noncontrolling interests |  |  |  |  |
Carrying value at beginning of the period |  |  | $ 210,948 |  |
Contributions |  |  | 2,041 |  |
Distributions |  |  | (9,007) |  |
Allocation of net income | $ 1,903 | $ 1,639 | 5,642 | $ 4,831 |
Carrying value at end of the period | 209,624 |  | 209,624 |  |
Realty Income, L.P. units |  |  |  |  |
Change in the carrying value of all noncontrolling interests |  |  |  |  |
Carrying value at beginning of the period |  |  | 167,803 |  |
Contributions |  |  | 0 |  |
Distributions |  |  | (6,664) |  |
Allocation of net income |  |  | 5,260 |  |
Carrying value at end of the period | $ 166,399 |  | $ 166,399 |  |
Number of partnership units outstanding (in shares) | 2,681,808 |  | 2,681,808 |  | 2,681,808
Other Noncontrolling Interests |  |  |  |  |
Change in the carrying value of all noncontrolling interests |  |  |  |  |
Carrying value at beginning of the period |  |  | $ 43,145 |  |
Contributions |  |  | 2,041 |  |
Distributions |  |  | (2,343) |  |
Allocation of net income |  |  | 382 |  |
Carrying value at end of the period | $ 43,225 |  | $ 43,225 |  |

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