Annual report pursuant to Section 13 and 15(d)

Orion Office REIT, Real Estate Investments and Related Intangibles - Real Estate Assets Held for Sale (Details)

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Orion Office REIT, Real Estate Investments and Related Intangibles - Real Estate Assets Held for Sale (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
property
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Property, Plant and Equipment [Line Items]      
Number of properties held for sale | property 1    
Real estate assets held for sale, net $ 2,502 $ 0  
Impairments 66,359 $ 49,859 $ 18,671
Held-for-sale      
Property, Plant and Equipment [Line Items]      
Impairments 6,000    
Land      
Property, Plant and Equipment [Line Items]      
Real estate assets held for sale, net 600    
Building, Fixtures And Improvements      
Property, Plant and Equipment [Line Items]      
Real estate assets held for sale, net $ 1,900