Quarterly report pursuant to Section 13 or 15(d)

Realty Income Office Assets, Organization (Details)

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Realty Income Office Assets, Organization (Details)
ft² in Millions
Sep. 30, 2021
ft²
property
state
Real Estate Properties [Line Items]  
Number of real estate properties | property 92
Number of states with real estate properties owned | state 29
Area of real estate property | ft² 10.5
Realty Income Office Assets  
Real Estate Properties [Line Items]  
Number of real estate properties | property 40
Number of states with real estate properties owned | state 19
Area of real estate property | ft² 3.0