Quarterly report pursuant to Section 13 or 15(d)

Organization - Narrative 2 (Details)

v3.20.2
Organization - Narrative 2 (Details)
9 Months Ended
Sep. 30, 2020
COPT | Corporate Office Properties, L.P. | Common Units  
Forms of ownership in Operating Partnership and ownership percentage by the entity  
Percentage ownership in operating partnership 98.60%