Quarterly report [Sections 13 or 15(d)]

Equity-Based Compensation (Details)

v3.25.3
Equity-Based Compensation (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Time-Based Restricted Stock Units and Restricted Stock Units | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rights (as percent)     0.00%  
Time-Based Restricted Stock Units and Restricted Stock Units | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rights (as percent)     100.00%  
Time-Based Restricted Stock Units and Restricted Stock Units | Non-employee Directors        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period (in years)     1 year  
Performance-Based Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period (in years)     3 years  
Metric-Based RSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation expense $ 0.0   $ 0.0  
Time-Based Restricted Stock Units and Performance-Based Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation expense 1.0 $ 0.7 2.5 $ 2.4
Unrecognized compensation expense 3.9   $ 3.9  
Weighted-average remaining term (in years)     1 year 7 months 6 days  
Realty Income Time-Based Restricted Stock Units and Stock Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation expense     $ 0.0 $ 0.1
Unrecognized compensation expense $ 0.0   $ 0.0