Quarterly report pursuant to Section 13 or 15(d)

Orion Office REIT, Real Estate Investments and Related Intangibles - Investment in Unconsolidated Entities (Details)

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Orion Office REIT, Real Estate Investments and Related Intangibles - Investment in Unconsolidated Entities (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2022
USD ($)
property
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
Schedule of Equity Method Investments [Line Items]      
Number of properties | property 92    
Arch Street Joint Venture      
Schedule of Equity Method Investments [Line Items]      
Ownership 20.00%    
Number of properties | property 6    
Carrying Amount of Investment $ 17,952   $ 18,631
Equity in Income (41) $ 0  
Difference between carrying amount and underlying equity $ 1,700