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