Annual report pursuant to Section 13 and 15(d)

Orion Office REIT, Fair Value Measures - Provisions for Impairment (Details)

v3.22.1
Orion Office REIT, Fair Value Measures - Provisions for Impairment (Details)
12 Months Ended
Dec. 31, 2021
USD ($)
property
Dec. 31, 2020
USD ($)
property
Dec. 31, 2019
USD ($)
Fair Value Disclosures [Abstract]      
Number of properties | property 10 1  
Carrying value of impaired properties $ 109,197,000 $ 29,129,000  
Provisions for impairment (49,859,000) (18,671,000) $ 0
Estimated fair value $ 59,338,000 $ 10,458,000