Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Earnings Per Share ("EPS") and Earnings Per Unit ("EPU") (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Numerator:        
Net (loss) income attributable to COPT/COPLP $ (31,845) $ 21,257 $ 15,706 $ 148,907
Income attributable to share-based compensation awards (145) (123) (365) (495)
Numerator for basic EPS/EPU on net income attributable to COPT/COPLP common shareholders/unitholders (31,990) 21,134 15,341 148,412
Redeemable noncontrolling interests 0 0 0 100
Income attributable to share-based compensation awards 0 5 6 26
Numerator for diluted EPS/EPU on net income attributable to COPT/COPLP common shareholders/unitholders $ (31,990) $ 21,139 $ 15,347 $ 148,538
Denominator (all weighted averages):        
Denominatior for basic EPS/EPU (common shares/units) 111,811 111,582 111,778 111,036
Dilutive effect of redeemable noncontrolling interests 0 0 0 123
Dilutive effect of share-based compensation awards (in shares/units) 0 361 278 313
Denominator for diluted EPS/EPU (common shares/units) 111,811 111,943 112,056 111,472
Basic EPS:        
Basic EPS/EPU (in dollars per share/unit) [1] $ (0.29) $ 0.19 $ 0.14 $ 1.34
Diluted EPS:        
Diluted EPS/EPU (in dollars per share/unit) [1] $ (0.29) $ 0.19 $ 0.14 $ 1.33
Corporate Office Properties, L.P.        
Numerator:        
Net (loss) income attributable to COPT/COPLP $ (32,154) $ 21,681 $ 16,122 $ 151,257
Preferred share/unit dividends/distributions (77) (157) (231) (487)
Income attributable to share-based compensation awards (119) (139) (374) (592)
Numerator for basic EPS/EPU on net income attributable to COPT/COPLP common shareholders/unitholders (32,350) 21,385 15,517 150,178
Redeemable noncontrolling interests 0 0 0 100
Income attributable to share-based compensation awards 0 5 0 26
Numerator for diluted EPS/EPU on net income attributable to COPT/COPLP common shareholders/unitholders $ (32,350) $ 21,390 $ 15,517 $ 150,304
Denominator (all weighted averages):        
Denominatior for basic EPS/EPU (common shares/units) 113,051 112,894 113,013 112,359
Dilutive effect of redeemable noncontrolling interests 0 0 0 123
Dilutive effect of share-based compensation awards (in shares/units) 0 361 278 313
Denominator for diluted EPS/EPU (common shares/units) 113,051 113,255 113,291 112,795
Basic EPS:        
Basic EPS/EPU (in dollars per share/unit) [2] $ (0.29) $ 0.19 $ 0.14 $ 1.34
Diluted EPS:        
Diluted EPS/EPU (in dollars per share/unit) [2] $ (0.29) $ 0.19 $ 0.14 $ 1.33
[1] Basic and diluted earnings per common share are calculated based on amounts attributable to common shareholders of Corporate Office Properties Trust.
[2] Basic and diluted earnings per common unit are calculated based on amounts attributable to common unitholders of Corporate Office Properties, L.P.