Consolidated Statements of Equity - USD ($) $ in Thousands |
Total |
Preferred Shares |
Common Shares |
Additional Paid-in Capital |
Cumulative Distributions in Excess of Net Income |
Accumulated Other Comprehensive Income (Loss) |
Noncontrolling Interests |
Corporate Office Properties, L.P. |
Corporate Office Properties, L.P.
Common Shares
|
Corporate Office Properties, L.P.
Accumulated Other Comprehensive Income (Loss)
|
Corporate Office Properties, L.P.
Noncontrolling Interests
|
Corporate Office Properties, L.P.
Limited Partner
|
Corporate Office Properties, L.P.
Limited Partner
Preferred Shares
|
Corporate Office Properties, L.P.
General Partner
|
Corporate Office Properties, L.P.
General Partner
Preferred Shares
|
Balance (COPT: 94,531,512 shares and 98,498,651 shares as of December 31, 2015 and 2016, respectively) at Dec. 31, 2015 |
$ 1,616,564
|
$ 199,083
|
$ 945
|
$ 2,004,507
|
$ (657,172)
|
$ (2,838)
|
$ 72,039
|
$ 1,616,564
|
$ 1,400,745
|
$ (2,985)
|
$ 10,921
|
|
$ 8,800
|
|
$ 199,083
|
Balance (preferred units) at Dec. 31, 2015 |
|
|
|
|
|
|
|
|
|
|
|
|
352,000
|
|
7,431,667
|
Balance (in units/shares) at Dec. 31, 2015 |
94,531,512
|
|
|
|
|
|
|
|
98,208,903
|
|
|
|
|
|
|
Increase (Decrease) in Shareholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Conversion of common units to common shares (COPT: 87,000 and 337,000 shares as for the nine months ended September 30, 2016 and 2017, respectively) |
$ 0
|
|
1
|
1,166
|
|
|
(1,167)
|
|
|
|
|
|
|
|
|
Costs associated with common shares issued to the public (in shares) |
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
Costs associated with common shares issued to the public |
$ (5)
|
|
|
(5)
|
|
|
|
(5)
|
$ (5)
|
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (in units/shares) |
146,274
|
|
|
|
|
|
|
|
146,274
|
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (COPT: 146,274 and 176,477 shares issued, net of redemptions for the nine months ended September 30, 2016 and 2017, respectively) |
$ 6,177
|
|
2
|
6,175
|
|
|
|
6,177
|
$ 6,177
|
|
|
|
|
|
|
Redemption of vested equity awards |
(2,179)
|
|
|
(2,179)
|
|
|
|
(2,179)
|
(2,179)
|
|
|
|
|
|
|
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP |
0
|
|
|
(42)
|
|
|
42
|
|
|
|
|
|
|
|
|
Comprehensive income (loss) |
(26,629)
|
|
|
|
(13,294)
|
(13,476)
|
141
|
(26,629)
|
(24,903)
|
(14,002)
|
1,124
|
|
$ 495
|
|
$ 10,657
|
Dividends / Distributions to owners of common and preferred units |
(88,796)
|
|
|
|
(88,796)
|
|
|
(92,294)
|
(81,142)
|
|
|
|
$ (495)
|
|
$ (10,657)
|
Distributions to owners of common and preferred units in COPLP |
(3,498)
|
|
|
|
|
|
(3,498)
|
|
|
|
|
|
|
|
|
Distributions to noncontrolling interests in subsidiaries |
(12)
|
|
|
|
|
|
(12)
|
(12)
|
|
|
(12)
|
|
|
|
|
Adjustment to arrive at fair value of redeemable noncontrolling interests |
(516)
|
|
|
(516)
|
|
|
|
(516)
|
(516)
|
|
|
|
|
|
|
Tax loss from share-based compensation |
$ (319)
|
|
|
(319)
|
|
|
|
(319)
|
$ (319)
|
|
|
|
|
|
|
Balance (in units/shares) at Sep. 30, 2016 |
94,764,786
|
|
|
|
|
|
|
|
98,355,177
|
|
|
|
|
|
|
Balance (preferred units) at Sep. 30, 2016 |
|
|
|
|
|
|
|
|
|
|
|
|
352,000
|
|
7,431,667
|
Balance (COPT: 94,764,786 shares and 99,608,170 shares as of September 30, 2016 and 2017, respectively) at Sep. 30, 2016 |
$ 1,500,787
|
199,083
|
948
|
2,008,787
|
(759,262)
|
(16,314)
|
67,545
|
1,500,787
|
$ 1,297,858
|
(16,987)
|
12,033
|
|
$ 8,800
|
|
$ 199,083
|
Balance (COPT: 94,531,512 shares and 98,498,651 shares as of December 31, 2015 and 2016, respectively) at Dec. 31, 2016 |
$ 1,594,664
|
172,500
|
985
|
2,116,581
|
(765,276)
|
(1,731)
|
71,605
|
1,594,664
|
$ 1,401,597
|
(1,854)
|
13,621
|
|
$ 8,800
|
|
$ 172,500
|
Balance (preferred units) at Dec. 31, 2016 |
|
|
|
|
|
|
|
|
|
|
|
352,000
|
352,000
|
6,900,000
|
6,900,000
|
Balance (in units/shares) at Dec. 31, 2016 |
98,498,651
|
|
|
|
|
|
|
|
102,089,042
|
|
|
3,590,391
|
|
98,498,651
|
|
Increase (Decrease) in Shareholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Redemption of preferred shares (6,900,000 shares) |
$ (172,500)
|
$ (172,500)
|
|
6,847
|
(6,847)
|
|
|
(172,500)
|
|
|
|
|
|
|
$ (172,500)
|
Redemption of preferred units resulting from redemption of preferred shares (in units/shares) |
|
(6,900,000)
|
|
|
|
|
|
|
|
|
|
|
|
|
(6,900,000)
|
Conversion of common units to common shares (COPT: 87,000 and 337,000 shares as for the nine months ended September 30, 2016 and 2017, respectively) |
0
|
|
3
|
4,599
|
|
|
(4,602)
|
|
|
|
|
|
|
|
|
Issuance of common units resulting from common shares issued under at-the-market program (in units) |
|
|
|
|
|
|
|
|
591,042
|
|
|
|
|
|
|
Issuance of common units resulting from common shares issued under at-the-market program (COPT: 591,042 shares for the nine months ended September 30, 2017) |
$ 19,668
|
|
6
|
19,662
|
|
|
|
19,668
|
$ 19,668
|
|
|
|
|
|
|
Issuance of common units resulting from exercise of share options (COPT: 5,000 shares as for the nine months ended September 30, 2017) |
5,000
|
|
|
|
|
|
|
|
5,000
|
|
|
|
|
|
|
Issuance of common units resulting from exercise of share options |
$ 150
|
|
|
150
|
|
|
|
150
|
$ 150
|
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (in units/shares) |
176,477
|
|
|
|
|
|
|
|
176,477
|
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (COPT: 146,274 and 176,477 shares issued, net of redemptions for the nine months ended September 30, 2016 and 2017, respectively) |
$ 4,444
|
|
2
|
4,442
|
|
|
|
4,444
|
$ 4,444
|
|
|
|
|
|
|
Redemption of vested equity awards |
(1,869)
|
|
|
(1,869)
|
|
|
|
(1,869)
|
(1,869)
|
|
|
|
|
|
|
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP |
0
|
|
|
(589)
|
|
|
589
|
|
|
|
|
|
|
|
|
Comprehensive income (loss) |
64,159
|
|
|
|
60,133
|
872
|
3,154
|
64,159
|
55,525
|
902
|
1,018
|
|
$ 495
|
|
$ 6,219
|
Dividends / Distributions to owners of common and preferred units |
(88,300)
|
|
|
|
(88,300)
|
|
|
(91,562)
|
(84,848)
|
|
|
|
$ (495)
|
|
$ (6,219)
|
Distributions to owners of common and preferred units in COPLP |
(3,262)
|
|
|
|
|
|
(3,262)
|
|
|
|
|
|
|
|
|
Distributions to noncontrolling interests in subsidiaries |
(2,614)
|
|
|
|
|
|
(2,614)
|
(2,614)
|
|
|
(2,614)
|
|
|
|
|
Adjustment to arrive at fair value of redeemable noncontrolling interests |
$ 244
|
|
|
244
|
|
|
|
244
|
$ 244
|
|
|
|
|
|
|
Balance (in units/shares) at Sep. 30, 2017 |
99,608,170
|
|
|
|
|
|
|
|
102,861,561.000
|
|
|
3,253,391
|
|
99,608,170
|
|
Balance (preferred units) at Sep. 30, 2017 |
|
|
|
|
|
|
|
|
|
|
|
352,000
|
352,000
|
0
|
0
|
Balance (COPT: 94,764,786 shares and 99,608,170 shares as of September 30, 2016 and 2017, respectively) at Sep. 30, 2017 |
$ 1,414,784
|
$ 0
|
$ 996
|
$ 2,150,067
|
$ (800,290)
|
$ (859)
|
$ 64,870
|
$ 1,414,784
|
$ 1,394,911
|
$ (952)
|
$ 12,025
|
|
$ 8,800
|
|
$ 0
|