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Organization - Narrative 2 (Details) - Corporate Office Properties, L.P. | 6 Months Ended
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Jun. 30, 2021 shares
Preferred Units |
Forms of ownership in Operating Partnership and ownership percentage by the entity |
Limited partners' capital account, units outstanding (in units) | 0
COPT | Common Units |
Forms of ownership in Operating Partnership and ownership percentage by the entity |
Percentage ownership in operating partnership | 98.30%

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