Annual report pursuant to Section 13 and 15(d)

Orion Office REIT, Equity-Based Compensation - Narrative (Details)

v3.24.0.1
Orion Office REIT, Equity-Based Compensation - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Time-Based Restricted Stock Units and Restricted Stock Units | Share-Based Payment Arrangement, Nonemployee      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance period 1 year    
Time-Based Restricted Stock Units and Restricted Stock Units | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rights, percentage 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, percentage 100.00%    
Performance-Based RSUs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance period 3 years    
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 $ 2.5 $ 1.4 $ 0.1
Unrecognized compensation expense $ 3.7 $ 2.7  
Weighted-average remaining term (in years) 1 year 8 months 12 days 2 years  
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 $ 0.2 $ 0.4 $ 0.1
Unrecognized compensation expense $ 0.1 $ 0.2  
Weighted-average remaining term (in years) 1 month 6 days 1 year