Consolidated Statements of Equity - USD ($) $ in Thousands |
Total |
Cumulative Effect, Period of Adoption, Adjustment |
Cumulative Effect, Period of Adoption, Adjusted Balance |
Forward Equity Sale Agreement |
Common Stock At-the-Market Program |
Common Shares |
Common Shares
Cumulative Effect, Period of Adoption, Adjusted Balance
|
Common Shares
Forward Equity Sale Agreement
|
Common Shares
Common Stock At-the-Market Program
|
Additional Paid-in Capital |
Additional Paid-in Capital
Cumulative Effect, Period of Adoption, Adjusted Balance
|
Additional Paid-in Capital
Forward Equity Sale Agreement
|
Additional Paid-in Capital
Common Stock At-the-Market Program
|
Cumulative Distributions in Excess of Net Income |
Cumulative Distributions in Excess of Net Income
Cumulative Effect, Period of Adoption, Adjustment
|
Cumulative Distributions in Excess of Net Income
Cumulative Effect, Period of Adoption, Adjusted Balance
|
Accumulated Other Comprehensive Income (Loss) |
Accumulated Other Comprehensive Income (Loss)
Cumulative Effect, Period of Adoption, Adjustment
|
Accumulated Other Comprehensive Income (Loss)
Cumulative Effect, Period of Adoption, Adjusted Balance
|
Noncontrolling Interests |
Noncontrolling Interests
Cumulative Effect, Period of Adoption, Adjusted Balance
|
Corporate Office Properties, L.P |
Corporate Office Properties, L.P
Cumulative Effect, Period of Adoption, Adjustment
|
Corporate Office Properties, L.P
Cumulative Effect, Period of Adoption, Adjusted Balance
|
Corporate Office Properties, L.P
Common Stock At-the-Market Program
|
Corporate Office Properties, L.P
Common Shares
|
Corporate Office Properties, L.P
Common Shares
Cumulative Effect, Period of Adoption, Adjustment
|
Corporate Office Properties, L.P
Common Shares
Cumulative Effect, Period of Adoption, Adjusted Balance
|
Corporate Office Properties, L.P
Common Shares
Common Stock At-the-Market Program
|
Corporate Office Properties, L.P
Accumulated Other Comprehensive Income (Loss)
|
Corporate Office Properties, L.P
Accumulated Other Comprehensive Income (Loss)
Cumulative Effect, Period of Adoption, Adjustment
|
Corporate Office Properties, L.P
Accumulated Other Comprehensive Income (Loss)
Cumulative Effect, Period of Adoption, Adjusted Balance
|
Corporate Office Properties, L.P
Noncontrolling Interests
|
Corporate Office Properties, L.P
Noncontrolling Interests
Cumulative Effect, Period of Adoption, Adjusted Balance
|
Corporate Office Properties, L.P
Limited Partner
|
Corporate Office Properties, L.P
Limited Partner
Preferred Shares
|
Corporate Office Properties, L.P
Limited Partner
Preferred Shares
Cumulative Effect, Period of Adoption, Adjusted Balance
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Balance at Dec. 31, 2017 | $ 1,468,307 | $ 0 | $ 1,468,307 | $ 1,013 | $ 1,013 | $ 2,201,047 | $ 2,201,047 | $ (802,085) | $ (276) | $ (802,361) | $ 2,167 | $ 276 | $ 2,443 | $ 66,165 | $ 66,165 | $ 1,468,307 | $ 0 | $ 1,468,307 | $ 1,445,022 | $ (276) | $ 1,444,746 | $ 2,173 | $ 276 | $ 2,449 | $ 12,312 | $ 12,312 | $ 8,800 | $ 8,800 | |||||||||
Balance (in units/ shares) at Dec. 31, 2017 | 101,292,299 | 104,543,177 | 104,543,177 | ||||||||||||||||||||||||||||||||||
Balance (preferred units) at Dec. 31, 2017 | 352,000 | 352,000 | |||||||||||||||||||||||||||||||||||
Increase (Decrease) in Shareholders' Equity | |||||||||||||||||||||||||||||||||||||
Conversion of common units to common shares | $ 0 | 19 | 27,394 | (27,413) | |||||||||||||||||||||||||||||||||
Redemption of common units (in units) | (13,377) | ||||||||||||||||||||||||||||||||||||
Redemption of common units | $ (339) | (339) | (339) | $ (339) | |||||||||||||||||||||||||||||||||
Common shares issued during the period (in units/shares) | 5,907,000 | 991,664 | 5,907,000 | 991,664 | |||||||||||||||||||||||||||||||||
Common shares issued during the period | $ 172,294 | $ 29,732 | $ 59 | $ 10 | $ 172,235 | $ 29,722 | 172,294 | $ 29,732 | $ 172,294 | $ 29,732 | |||||||||||||||||||||||||||
Share-based compensation issuance, net of redemptions (in shares/units) | 146,290 | 146,290 | |||||||||||||||||||||||||||||||||||
Share-based compensation issuance, net of redemptions | $ 6,963 | 1 | 6,962 | 6,963 | $ 6,963 | ||||||||||||||||||||||||||||||||
Redemption of vested equity awards | (1,702) | (1,702) | (1,702) | (1,702) | |||||||||||||||||||||||||||||||||
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP | 0 | (2,466) | 2,466 | ||||||||||||||||||||||||||||||||||
Comprehensive income | 73,550 | 72,301 | (2,681) | 3,930 | 73,550 | 74,043 | (2,570) | 1,417 | $ 660 | ||||||||||||||||||||||||||||
Dividends/Distributions | (116,748) | (116,748) | (119,905) | (119,245) | $ (660) | ||||||||||||||||||||||||||||||||
Distributions to owners of common and preferred units in COPLP | (3,157) | (3,157) | |||||||||||||||||||||||||||||||||||
Distributions to noncontrolling interests in other consolidated entities | (15) | (15) | (15) | (15) | |||||||||||||||||||||||||||||||||
Adjustment to arrive at fair value of redeemable noncontrolling interests | $ (1,837) | (1,837) | (1,837) | $ (1,837) | |||||||||||||||||||||||||||||||||
Balance (preferred units) at Dec. 31, 2018 | 352,000 | ||||||||||||||||||||||||||||||||||||
Balance (in units/ shares) at Dec. 31, 2018 | 110,241,868 | 111,574,754 | |||||||||||||||||||||||||||||||||||
Balance at Dec. 31, 2018 | $ 1,627,048 | 1,102 | 2,431,355 | (846,808) | (238) | 41,637 | 1,627,048 | $ 1,604,655 | (121) | 13,714 | $ 8,800 | ||||||||||||||||||||||||||
Increase (Decrease) in Shareholders' Equity | |||||||||||||||||||||||||||||||||||||
Conversion of common units to common shares | 0 | 1 | 1,585 | (1,586) | |||||||||||||||||||||||||||||||||
Redemption of common units (in units) | (924) | ||||||||||||||||||||||||||||||||||||
Redemption of common units | $ (25) | (25) | (25) | $ (25) | |||||||||||||||||||||||||||||||||
Common shares issued during the period (in units/shares) | 1,000 | 1,614,087 | 1,000 | 1,614,087 | |||||||||||||||||||||||||||||||||
Common shares issued during the period | $ 29 | $ 46,454 | $ 16 | 29 | $ 46,438 | 29 | $ 46,454 | $ 29 | $ 46,454 | ||||||||||||||||||||||||||||
Share-based compensation issuance, net of redemptions (in shares/units) | 106,711 | 362,213 | |||||||||||||||||||||||||||||||||||
Share-based compensation issuance, net of redemptions | $ 7,456 | 2 | 6,131 | 1,323 | 7,456 | $ 7,456 | |||||||||||||||||||||||||||||||
Redemption of vested equity awards | (2,064) | (2,064) | (2,064) | (2,064) | |||||||||||||||||||||||||||||||||
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP | 0 | (167) | 167 | ||||||||||||||||||||||||||||||||||
Comprehensive income | 170,632 | 191,692 | (25,206) | 4,146 | 170,632 | 194,055 | (25,527) | 1,540 | 564 | ||||||||||||||||||||||||||||
Dividends/Distributions | (123,159) | (123,159) | (125,216) | (124,652) | $ (564) | ||||||||||||||||||||||||||||||||
Distributions to owners of common and preferred units in COPLP | (2,057) | (2,057) | |||||||||||||||||||||||||||||||||||
Contributions from noncontrolling interests in other consolidated entities/subsidiaries | 2,570 | 2,570 | 2,570 | 2,570 | |||||||||||||||||||||||||||||||||
Distributions to noncontrolling interests in other consolidated entities | (5,890) | (5,890) | (5,890) | (5,890) | |||||||||||||||||||||||||||||||||
Adjustment to arrive at fair value of redeemable noncontrolling interests | $ (1,749) | (1,749) | (1,749) | $ (1,749) | |||||||||||||||||||||||||||||||||
Balance (preferred units) at Dec. 31, 2019 | 352,000 | 352,000 | 352,000 | ||||||||||||||||||||||||||||||||||
Balance (in units/ shares) at Dec. 31, 2019 | 112,068,705 | 113,551,130 | 113,551,130 | 1,482,425 | |||||||||||||||||||||||||||||||||
Balance at Dec. 31, 2019 | $ 1,719,245 | $ (5,541) | $ 1,713,704 | 1,121 | $ 1,121 | 2,481,558 | $ 2,481,558 | (778,275) | $ (5,541) | $ (783,816) | (25,444) | $ (25,444) | 40,285 | $ 40,285 | $ 1,719,245 | $ (5,541) | $ 1,713,704 | $ 1,724,159 | $ (5,541) | $ 1,718,618 | (25,648) | $ (25,648) | 11,934 | $ 11,934 | $ 8,800 | $ 8,800 | |||||||||||
Increase (Decrease) in Shareholders' Equity | |||||||||||||||||||||||||||||||||||||
Accounting Standards Update [Extensible List] | us-gaap:AccountingStandardsUpdate201613Member | us-gaap:AccountingStandardsUpdate201613Member | |||||||||||||||||||||||||||||||||||
Conversion of common units to common shares | $ 0 | 211 | (211) | ||||||||||||||||||||||||||||||||||
Redemption of preferred units (in units) | (352,000) | ||||||||||||||||||||||||||||||||||||
Redemption of preferred units | $ (8,800) | (8,800) | $ (8,800) | $ (8,800) | |||||||||||||||||||||||||||||||||
Share-based compensation issuance, net of redemptions (in shares/units) | 99,045 | 280,315 | |||||||||||||||||||||||||||||||||||
Share-based compensation issuance, net of redemptions | $ 6,584 | 1 | 4,676 | 1,907 | 6,584 | $ 6,584 | |||||||||||||||||||||||||||||||
Redemption of vested equity awards | (1,699) | (1,699) | (1,699) | (1,699) | |||||||||||||||||||||||||||||||||
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP | 0 | 767 | (767) | ||||||||||||||||||||||||||||||||||
Comprehensive income | 115,588 | 97,374 | 16,287 | 1,927 | 115,588 | 98,554 | 16,493 | 241 | 300 | ||||||||||||||||||||||||||||
Dividends/Distributions | (123,394) | (123,394) | (125,140) | (124,840) | $ (300) | ||||||||||||||||||||||||||||||||
Distributions to owners of common and preferred units in COPLP | (1,746) | (1,746) | |||||||||||||||||||||||||||||||||||
Contributions from noncontrolling interests in other consolidated entities/subsidiaries | 112 | 112 | 112 | 112 | |||||||||||||||||||||||||||||||||
Distributions to noncontrolling interests in other consolidated entities | (30) | (30) | (30) | (30) | |||||||||||||||||||||||||||||||||
Adjustment to arrive at fair value of redeemable noncontrolling interests | $ (6,607) | (6,607) | (6,607) | $ (6,607) | |||||||||||||||||||||||||||||||||
Balance (preferred units) at Dec. 31, 2020 | 0 | ||||||||||||||||||||||||||||||||||||
Balance (in units/ shares) at Dec. 31, 2020 | 112,181,759 | 113,831,445 | 1,352,430 | ||||||||||||||||||||||||||||||||||
Balance at Dec. 31, 2020 | $ 1,693,712 | $ 1,122 | $ 2,478,906 | $ (809,836) | $ (9,157) | $ 32,677 | $ 1,693,712 | $ 1,690,610 | $ (9,155) | $ 12,257 | $ 0 |