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: 87,394,512 shares and 93,255,284 shares as of December 31, 2013 and 2014, respectively) at Dec. 31, 2013 |
$ 1,497,249
|
$ 249,083
|
$ 874
|
$ 1,814,015
|
$ (641,868)
|
$ 3,480
|
$ 71,665
|
$ 1,497,249
|
$ 1,226,318
|
$ 3,605
|
$ 9,443
|
|
$ 8,800
|
|
$ 249,083
|
Balance (preferred units) at Dec. 31, 2013 |
|
|
|
|
|
|
|
|
|
|
|
|
352,000
|
|
9,431,667
|
Balance (in units/ shares) at Dec. 31, 2013 |
87,394,512
|
|
|
|
|
|
|
|
91,372,212
|
|
|
|
|
|
|
Increase (Decrease) in Shareholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Redemption of preferred shares (in units/shares) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(2,000,000)
|
Redemption of preferred shares (in units/shares) (2,000,000 shares) |
$ (50,000)
|
(50,000)
|
|
1,769
|
(1,769)
|
|
|
(50,000)
|
|
|
|
|
|
|
$ (50,000)
|
Conversion of common units to common shares (COPT: 78,498 shares and 158,000 shares for the six months ended June 30, 2014 and 2015, respectively) |
0
|
|
0
|
1,047
|
|
|
(1,047)
|
|
|
|
|
|
|
|
|
Shares issued to the public (in units/ shares) |
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
Costs associated with common shares issued to the public |
$ (7)
|
|
0
|
(7)
|
|
|
|
(7)
|
$ (7)
|
|
|
|
|
|
|
Exercise of share options (in units/shares) |
51,289
|
|
|
|
|
|
|
|
51,289
|
|
|
|
|
|
|
Exercise of share options (COPT: 51,289 shares and 76,474 shares for the six months ended June 30, 2014 and 2015, respectively) |
$ 1,185
|
|
0
|
1,185
|
|
|
|
1,185
|
$ 1,185
|
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (in units/shares) |
144,009
|
|
|
|
|
|
|
|
144,009
|
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (COPT: 144,009 and 149,619 shares issued, net of redemptions for the six months ended June 30, 2014 and 2015, respectively) |
$ 3,545
|
|
3
|
3,542
|
|
|
|
3,545
|
$ 3,545
|
|
|
|
|
|
|
Redemption of vested equity awards (in units/shares) |
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
Redemption of vested equity awards |
(1,326)
|
|
|
(1,326)
|
|
|
|
(1,326)
|
$ (1,326)
|
|
|
|
|
|
|
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP |
0
|
|
|
(72)
|
|
|
72
|
|
|
|
|
|
|
|
|
Comprehensive income |
9,366
|
|
|
|
12,631
|
(4,241)
|
976
|
9,366
|
3,983
|
(4,430)
|
649
|
|
$ 330
|
|
8,834
|
Dividends / Distributions to owners of common and preferred units |
(57,027)
|
|
|
|
(57,027)
|
|
|
(59,510)
|
(50,346)
|
|
|
|
$ (330)
|
|
$ (8,834)
|
Distributions to owners of common and preferred units in COPLP |
(2,483)
|
|
|
|
|
|
(2,483)
|
|
|
|
|
|
|
|
|
Distributions to noncontrolling interests in subsidiaries |
(8)
|
|
|
|
|
|
(8)
|
(8)
|
|
|
(8)
|
|
|
|
|
Contributions from noncontrolling interests in subsidiaries |
3
|
|
|
0
|
|
|
3
|
3
|
|
|
3
|
|
|
|
|
Adjustment to arrive at fair value of redeemable noncontrolling interest |
$ (717)
|
|
|
(717)
|
|
|
|
(717)
|
$ (717)
|
|
|
|
|
|
|
Balance (in units/ shares) at Jun. 30, 2014 |
87,668,308
|
|
|
|
|
|
|
|
91,567,510
|
|
|
|
|
|
|
Balance (preferred units) at Jun. 30, 2014 |
|
|
|
|
|
|
|
|
|
|
|
|
352,000
|
|
7,431,667
|
Balance (COPT: 87,668,308 shares and 94,529,618 shares as of June 30, 2014 and 2015, respectively) at Jun. 30, 2014 |
$ 1,399,780
|
199,083
|
877
|
1,819,436
|
(688,033)
|
(761)
|
69,178
|
1,399,780
|
$ 1,182,635
|
(825)
|
10,087
|
|
$ 8,800
|
|
$ 199,083
|
Balance (COPT: 87,394,512 shares and 93,255,284 shares as of December 31, 2013 and 2014, respectively) at Dec. 31, 2014 |
$ 1,520,884
|
199,083
|
933
|
1,969,968
|
(717,264)
|
(1,297)
|
69,461
|
1,520,884
|
$ 1,305,219
|
(1,381)
|
9,163
|
|
$ 8,800
|
|
$ 199,083
|
Balance (preferred units) at Dec. 31, 2014 |
|
|
|
|
|
|
|
|
|
|
|
352,000
|
352,000
|
7,431,667
|
7,431,667
|
Balance (in units/ shares) at Dec. 31, 2014 |
93,255,284
|
|
|
|
|
|
|
|
97,092,835
|
|
|
3,837,551
|
|
93,255,284
|
|
Increase (Decrease) in Shareholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Conversion of common units to common shares (COPT: 78,498 shares and 158,000 shares for the six months ended June 30, 2014 and 2015, respectively) |
$ 0
|
|
$ 2
|
2,120
|
|
|
(2,122)
|
|
|
|
|
|
|
|
|
Shares issued to the public (in units/ shares) |
|
|
890,241
|
|
|
|
|
|
890,241
|
|
|
|
|
|
|
Issuance of common units resulting from common shares issued under at-the-market program (in units) |
|
|
|
|
|
|
|
|
890,241
|
|
|
|
|
|
|
Issuance of common units resulting from common shares issued under at-the-market program (COPT: 890,241 shares for the six months ended June 30, 2015) |
$ 26,535
|
|
$ 9
|
26,526
|
|
|
|
26,535
|
$ 26,535
|
|
|
|
|
|
|
Exercise of share options (in units/shares) |
76,474
|
|
|
|
|
|
|
|
76,474
|
|
|
|
|
|
|
Exercise of share options (COPT: 51,289 shares and 76,474 shares for the six months ended June 30, 2014 and 2015, respectively) |
$ 2,008
|
|
|
2,008
|
|
|
|
2,008
|
$ 2,008
|
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (in units/shares) |
149,619
|
|
|
|
|
|
|
|
149,619
|
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (COPT: 144,009 and 149,619 shares issued, net of redemptions for the six months ended June 30, 2014 and 2015, respectively) |
$ 3,658
|
|
2
|
3,656
|
|
|
|
3,658
|
$ 3,658
|
|
|
|
|
|
|
Redemption of vested equity awards (in units/shares) |
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
Redemption of vested equity awards |
(2,245)
|
|
|
(2,245)
|
|
|
|
(2,245)
|
$ (2,245)
|
|
|
|
|
|
|
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP |
0
|
|
|
(519)
|
|
|
519
|
|
|
|
|
|
|
|
|
Comprehensive income |
29,020
|
|
|
|
29,136
|
(1,844)
|
1,728
|
29,020
|
22,902
|
(1,919)
|
602
|
|
$ 330
|
|
$ 7,105
|
Dividends / Distributions to owners of common and preferred units |
(59,106)
|
|
|
|
(59,106)
|
|
|
(61,460)
|
(54,025)
|
|
|
|
$ (330)
|
|
$ (7,105)
|
Distributions to owners of common and preferred units in COPLP |
(2,354)
|
|
|
|
|
|
(2,354)
|
|
|
|
|
|
|
|
|
Distributions to noncontrolling interests in subsidiaries |
(28)
|
|
|
|
|
|
(28)
|
(28)
|
|
|
(28)
|
|
|
|
|
Adjustment to arrive at fair value of redeemable noncontrolling interest |
$ (739)
|
|
|
(739)
|
|
|
|
(739)
|
$ (739)
|
|
|
|
|
|
|
Balance (in units/ shares) at Jun. 30, 2015 |
94,529,618
|
|
|
|
|
|
|
|
98,209,169.000
|
|
|
3,679,551
|
|
94,529,618
|
|
Balance (preferred units) at Jun. 30, 2015 |
|
|
|
|
|
|
|
|
|
|
|
352,000
|
352,000
|
7,431,667
|
7,431,667
|
Balance (COPT: 87,668,308 shares and 94,529,618 shares as of June 30, 2014 and 2015, respectively) at Jun. 30, 2015 |
$ 1,517,633
|
$ 199,083
|
$ 946
|
$ 2,000,775
|
$ (747,234)
|
$ (3,141)
|
$ 67,204
|
$ 1,517,633
|
$ 1,303,313
|
$ (3,300)
|
$ 9,737
|
|
$ 8,800
|
|
$ 199,083
|