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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 | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Change in the carrying value of all noncontrolling interests |  |  |  |  |
Carrying value at beginning of the period |  |  | $ 210,948 |  |
Contributions |  |  | 1,529 |  |
Distributions |  |  | (5,987) |  |
Allocation of net income | $ 2,092 | $ 1,577 | 3,739 | $ 3,192 |
Carrying value at end of the period | 210,229 |  | 210,229 |  |
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 |  |  | (4,435) |  |
Allocation of net income |  |  | 3,439 |  |
Carrying value at end of the period | $ 166,807 |  | $ 166,807 |  |
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 |  |  | 1,529 |  |
Distributions |  |  | (1,552) |  |
Allocation of net income |  |  | 300 |  |
Carrying value at end of the period | $ 43,422 |  | $ 43,422 |  |

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