Annual report pursuant to Section 13 and 15(d)

Orion Office REIT, Real Estate Investments and Related Intangibles - Schedule of Company's Investment in Unconsolidated Joint Venture (Details)

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Orion Office REIT, Real Estate Investments and Related Intangibles - Schedule of Company's Investment in Unconsolidated Joint Venture (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2023
USD ($)
property
Dec. 31, 2022
USD ($)
property
Dec. 31, 2021
USD ($)
property
Schedule of Equity Method Investments [Line Items]      
Number of properties | property 75    
Carrying value of investment $ 13,549 $ 15,824  
Equity in loss of unconsolidated joint venture, net $ (435) (524) $ (56)
Arch Street Joint Venture      
Schedule of Equity Method Investments [Line Items]      
Ownership 20.00%    
Number of properties | property 6    
Carrying value of investment $ 13,549 15,824  
Equity in loss of unconsolidated joint venture, net $ (435) $ (524) $ (56)
Number of properties acquired | property 0 0 1
Purchase price     $ 30,500
Difference between carrying amount and underlying equity $ 400 $ 900