Quarterly report pursuant to Section 13 or 15(d)

Orion Office REIT, Debt, Net - Credit Facility (Details)

v3.22.2.2
Orion Office REIT, Debt, Net - Credit Facility (Details)
 9 Months Ended
Nov. 12, 2021
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Feb. 10, 2022
USD ($)
Dec. 31, 2021
USD ($)
Debt Instrument [Line Items]          
Debt instrument, term   3 years 2 months 12 days      
Proceeds from credit facility revolver   $ 70,000,000 $ 0    
Distributions to realty income $ 595,000,000        
Mortgages payable | CMBS Loan          
Debt Instrument [Line Items]          
Debt instrument, face amount       $ 355,000,000  
Credit facility revolver          
Debt Instrument [Line Items]          
Borrowing capacity 425,000,000        
Proceeds from credit facility revolver $ 90,000,000        
Credit facilities   31,000,000     $ 90,000,000
Remaining borrowing capacity   394,000,000      
Commitment fee percentage 0.25%        
Credit facility revolver | Line of Credit          
Debt Instrument [Line Items]          
Debt instrument, term 3 years        
Covenant, total debt to total asset value, maximum 0.60        
Covenant, adjusted EBITDA to fixed charges, minimum 1.50        
Covenant, secured debt to total asset value, maximum 0.45        
Covenant, unsecured debt to unencumbered asset value, maximum 0.60        
Covenant, unencumbered real properties to unsecured interest expense, minimum 2.00        
Credit facility revolver | Line of Credit | LIBOR          
Debt Instrument [Line Items]          
Variable rate 2.50%        
Credit facility revolver | Line of Credit | Base Rate          
Debt Instrument [Line Items]          
Variable rate 1.50%        
Letter of Credit          
Debt Instrument [Line Items]          
Borrowing capacity $ 25,000,000        
Credit facility term loan          
Debt Instrument [Line Items]          
Borrowing capacity $ 175,000,000        
Credit facilities   $ 173,478,000     $ 172,490,000
Credit facility term loan | Line of Credit          
Debt Instrument [Line Items]          
Debt instrument, term 2 years        
Credit facility term loan | Line of Credit | LIBOR          
Debt Instrument [Line Items]          
Variable rate 2.50%        
Credit facility term loan | Line of Credit | Base Rate          
Debt Instrument [Line Items]          
Variable rate 1.50%        
Bridge facility          
Debt Instrument [Line Items]          
Borrowing capacity $ 355,000,000        
Bridge facility | Line of Credit          
Debt Instrument [Line Items]          
Debt instrument, term 6 months