Noncontrolling Interests - Schedule of the Change in the Carrying Value of all Noncontrolling Interests (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Change in the carrying value of all noncontrolling interests
Carrying value at beginning of the period	$ 165,502
Allocation of net income	6,569	$ 4,605	$ 3,008
Issuance of common partnership units	46,485
Carrying value at end of the period	$ 210,948	$ 165,502
Realty Income, L.P. units
Change in the carrying value of all noncontrolling interests
Number of partnership units outstanding (in shares)	2,681,808	1,795,167	1,795,167
Non-controlling interests
Change in the carrying value of all noncontrolling interests
Carrying value at beginning of the period	$ 165,502	$ 130,140
Contributions	2,022	40,097
Distributions	(10,398)	(9,340)
Allocation of net income	6,569	4,605
Issuance of common partnership units	47,253
Carrying value at end of the period	210,948	165,502	$ 130,140
Non-controlling interests | Realty Income, L.P. units
Change in the carrying value of all noncontrolling interests
Carrying value at beginning of the period	114,072	115,801
Contributions	0	0
Distributions	(6,810)	(5,663)
Allocation of net income	5,898	3,934
Issuance of common partnership units	54,643
Carrying value at end of the period	167,803	114,072	115,801
Non-controlling interests | Other Noncontrolling Interests
Change in the carrying value of all noncontrolling interests
Carrying value at beginning of the period	51,430	14,339
Contributions	2,022	40,097
Distributions	(3,588)	(3,677)
Allocation of net income	671	671
Issuance of common partnership units	(7,390)
Carrying value at end of the period	43,145	$ 51,430	$ 14,339
Common stock and paid in capital
Change in the carrying value of all noncontrolling interests
Issuance of common partnership units	$ (768)