Annual report pursuant to Section 13 and 15(d)

Earnings Per Share ("EPS") (Basic and Diluted Calculation) (Details)

v3.22.0.1
Earnings Per Share ("EPS") (Basic and Diluted Calculation) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Numerator:                      
Income from continuing operations                 $ 78,220 $ 100,601 $ 195,354
Income from continuing operations attributable to noncontrolling interests                 (4,994) (5,477) (8,255)
Income from continuing operations attributable to share-based compensation awards for basic EPS                 (467) (433) (638)
Numerator for basic EPS from continuing operations attributable to COPT common shareholders                 72,759 94,691 186,461
Redeemable noncontrolling interests                 (128) 0 132
Adjustment to income from continuing operations attributable to share-based compensation awards for diluted EPS                 44 27 33
Numerator for diluted EPS from continuing operations attributable to COPT common shareholders                 72,675 94,718 186,626
Discontinued operations $ 1,413 $ 451 $ 679 $ 815 $ 1,367 $ (351) $ 137 $ 1,124 3,358 2,277 4,650
Discontinued operations attributable to noncontrolling interests                 (43) (27) (57)
Income from discontinued operations attributable to share-based compensation awards for diluted EPS                 6 2 (18)
Numerator for diluted EPS from continuing operations attributable to COPT common shareholders                 $ 75,996 $ 96,970 $ 191,201
Denominator (all weighted averages):                      
Denominator for basic EPS (common shares)                 111,960 111,788 111,196
Dilutive effect of redeemable noncontrolling interests (common shares)                 128 0 119
Dilutive effect of share-based compensation awards (common shares)                 330 288 308
Denominator for diluted EPS (common shares)                 112,418 112,076 111,623
Basic Earnings per common share:                      
Income from continuing operations attributable to COPT common shareholders (in dollars per share) [1]                 $ 0.65 $ 0.85 $ 1.68
Discontinued operations attributable to COPT common shareholders (in dollars per share) [1]                 0.03 0.02 0.04
Net income attributable to COPT common shareholders - basic (in dollars per share) $ 0.12 $ 0.24 $ 0.38 $ (0.06) $ 0.73 $ (0.29) $ 0.21 $ 0.21 0.68 [1] 0.87 [1] 1.72 [1]
Diluted Earnings per common share:                      
Income from continuing operations attributable to COPT common shareholders (in dollars per share) [1]                 0.65 0.85 1.67
Discontinued operations attributable to COPT common shareholders (in dollars per share)                 0.03 0.02 0.04
Net income attributable to COPT common shareholders - diluted (in dollars per share) $ 0.12 $ 0.24 $ 0.38 $ (0.06) $ 0.73 $ (0.29) $ 0.21 $ 0.21 $ 0.68 [1] $ 0.87 [1] $ 1.71 [1]
[1] Basic and diluted earnings per common share are calculated based on amounts attributable to common shareholders of Corporate Office Properties Trust.