Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share ("EPS") and Earnings Per Unit ("EPU") (Details 2)

v3.19.1
Earnings Per Share ("EPS") and Earnings Per Unit ("EPU") (Details 2) - shares
shares in Thousands
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Conversion of common units    
Antidilutive securities    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 1,331 3,221
Conversion of redeemable noncontrolling interests    
Antidilutive securities    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 1,013 0
Conversion of Series I preferred units    
Antidilutive securities    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 176 176
Weighted average shares related to forward equity sale agreements    
Antidilutive securities    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 1,500 7,500
Weighted average restricted shares/units and deferred shares    
Antidilutive securities    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 463 444
Weighted average options    
Antidilutive securities    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 30 60
Weighted average unvested PIUs    
Antidilutive securities    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 19  
Corporate Office Properties, L.P. | Conversion of redeemable noncontrolling interests    
Antidilutive securities    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 1,013 0
Corporate Office Properties, L.P. | Conversion of Series I preferred units    
Antidilutive securities    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 176 176
Corporate Office Properties, L.P. | Weighted average shares related to forward equity sale agreements    
Antidilutive securities    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 1,500 7,500
Corporate Office Properties, L.P. | Weighted average restricted shares/units and deferred shares    
Antidilutive securities    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 463 444
Corporate Office Properties, L.P. | Weighted average options    
Antidilutive securities    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 30 60
Corporate Office Properties, L.P. | Weighted average unvested PIUs    
Antidilutive securities    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 19