Annual report pursuant to Section 13 and 15(d)

Orion Office REIT, Leases - Lessor Narrative (Details)

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Orion Office REIT, Leases - Lessor Narrative (Details) - property
Dec. 31, 2021
Dec. 31, 2020
Lessor, Lease, Description [Line Items]    
Number of properties 92  
Minimum    
Lessor, Lease, Description [Line Items]    
Lessor, operating leases, term 29 days 3 months 18 days
Maximum    
Lessor, Lease, Description [Line Items]    
Lessor, operating leases, term 16 years 3 months 3 days 13 years 1 month 13 days