Consolidated Statements of Equity - USD ($) $ in Thousands |
Total |
Forward Equity Sale Agreement |
Common Shares |
Common Shares
Forward Equity Sale Agreement
|
Additional Paid-in Capital |
Additional Paid-in Capital
Forward Equity Sale Agreement
|
Cumulative Distributions in Excess of Net Income |
Accumulated Other Comprehensive Income (Loss) |
Noncontrolling Interests |
Corporate Office Properties, L.P. |
Corporate Office Properties, L.P.
Forward Equity Sale Agreement
|
Corporate Office Properties, L.P.
Common Shares
|
Corporate Office Properties, L.P.
Common Shares
Forward Equity Sale Agreement
|
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
|
Increase (Decrease) in Shareholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cumulative effect of accounting change for adoption of hedge accounting guidance |
|
|
|
|
|
|
$ (276)
|
$ 276
|
|
|
|
$ (276)
|
|
$ 276
|
|
|
|
Balance, as adjusted |
$ 1,468,307
|
|
$ 1,013
|
|
$ 2,201,047
|
|
(802,361)
|
2,443
|
$ 66,165
|
$ 1,468,307
|
|
1,444,746
|
|
2,449
|
$ 12,312
|
|
$ 8,800
|
Balance (COPT: 101,292,299 and 110,241,868 shares as of December 31, 2017 and 2018 and 102,150,358, respectively and 111,939,790 shares as of March 31, 2018 and 2019, respectively) at Dec. 31, 2017 |
$ 1,468,307
|
|
1,013
|
|
2,201,047
|
|
(802,085)
|
2,167
|
66,165
|
1,468,307
|
|
$ 1,445,022
|
|
2,173
|
12,312
|
|
$ 8,800
|
Balance (preferred units) at Dec. 31, 2017 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
352,000
|
Balance (in units/shares) at Dec. 31, 2017 |
101,292,299
|
|
|
|
|
|
|
|
|
|
|
104,543,177
|
|
|
|
|
|
Increase (Decrease) in Shareholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Conversion of common units to common shares (COPT: 53,817 and 5,500 shares for the six months ended June 30, 2018 and 2019, respectively) |
$ 0
|
|
1
|
|
760
|
|
|
|
(761)
|
|
|
|
|
|
|
|
|
Common shares issued under forward equity sale agreements (COPT: 1,100,000 shares for the three months ended June 30, 2018 and 1,777,000 and 1,614,087 shares for the six months ended June 30, 2018 and 2019, respectively) |
$ 52,227
|
|
|
$ 18
|
|
$ 52,209
|
|
|
|
|
$ 52,227
|
|
$ 52,227
|
|
|
|
|
Common shares issued under forward equity sale agreements (in units/shares) |
|
1,777,000
|
|
|
|
|
|
|
|
|
|
|
1,777,000
|
|
|
|
|
Share-based compensation issuance, net of redemptions (in units/shares) |
137,379
|
|
|
|
|
|
|
|
|
|
|
137,379
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (COPT: 10,137 and 10,097 shares for the three months ended June 30, 2018 and 2019 and 137,379 and 88,432 shares issued, net of redemptions for the six months ended June 30, 2018 and 2019, respectively) |
$ 3,400
|
|
1
|
|
3,399
|
|
|
|
|
3,400
|
|
$ 3,400
|
|
|
|
|
|
Redemption of vested equity awards |
(1,525)
|
|
|
|
(1,525)
|
|
|
|
|
(1,525)
|
|
(1,525)
|
|
|
|
|
|
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP |
0
|
|
|
|
(702)
|
|
|
|
702
|
|
|
|
|
|
|
|
|
Comprehensive income |
45,422
|
|
|
|
|
|
36,584
|
6,569
|
2,269
|
45,422
|
|
37,736
|
|
6,786
|
570
|
|
$ 330
|
Dividends/Distributions |
(56,493)
|
|
|
|
|
|
(56,493)
|
|
|
(58,581)
|
|
(58,251)
|
|
|
|
|
$ (330)
|
Distributions to owners of common and preferred units in COPLP |
(2,088)
|
|
|
|
|
|
|
|
(2,088)
|
|
|
|
|
|
|
|
|
Distributions to noncontrolling interests in other consolidated entities/subsidiaries |
(7)
|
|
|
|
|
|
|
|
(7)
|
(7)
|
|
|
|
|
(7)
|
|
|
Adjustment to arrive at fair value of redeemable noncontrolling interests |
$ (758)
|
|
|
|
(758)
|
|
|
|
|
(758)
|
|
$ (758)
|
|
|
|
|
|
Balance (in units/shares) at Jun. 30, 2018 |
103,260,495
|
|
|
|
|
|
|
|
|
|
|
106,457,556
|
|
|
|
|
|
Balance (preferred units) at Jun. 30, 2018 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
352,000
|
Balance (COPT: 103,260,495 and 111,949,887 shares as of June 30, 2018 and 2019, respectively) at Jun. 30, 2018 |
$ 1,508,485
|
|
1,033
|
|
2,254,430
|
|
(822,270)
|
9,012
|
66,280
|
1,508,485
|
|
$ 1,477,575
|
|
9,235
|
12,875
|
|
$ 8,800
|
Balance (COPT: 101,292,299 and 110,241,868 shares as of December 31, 2017 and 2018 and 102,150,358, respectively and 111,939,790 shares as of March 31, 2018 and 2019, respectively) at Mar. 31, 2018 |
$ 1,482,024
|
|
1,022
|
|
2,221,427
|
|
(813,302)
|
7,204
|
65,673
|
1,482,024
|
|
$ 1,453,262
|
|
7,370
|
12,592
|
|
$ 8,800
|
Balance (preferred units) at Mar. 31, 2018 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
352,000
|
Balance (in units/shares) at Mar. 31, 2018 |
102,150,358
|
|
|
|
|
|
|
|
|
|
|
105,347,419
|
|
|
|
|
|
Increase (Decrease) in Shareholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Common shares issued under forward equity sale agreements (COPT: 1,100,000 shares for the three months ended June 30, 2018 and 1,777,000 and 1,614,087 shares for the six months ended June 30, 2018 and 2019, respectively) |
|
$ 32,251
|
|
11
|
|
32,240
|
|
|
|
|
32,251
|
|
$ 32,251
|
|
|
|
|
Common shares issued under forward equity sale agreements (in units/shares) |
|
1,100,000
|
|
|
|
|
|
|
|
|
|
|
1,100,000
|
|
|
|
|
Share-based compensation issuance, net of redemptions (in units/shares) |
10,137
|
|
|
|
|
|
|
|
|
|
|
10,137
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (COPT: 10,137 and 10,097 shares for the three months ended June 30, 2018 and 2019 and 137,379 and 88,432 shares issued, net of redemptions for the six months ended June 30, 2018 and 2019, respectively) |
$ 1,720
|
|
|
|
1,720
|
|
|
|
|
1,720
|
|
$ 1,720
|
|
|
|
|
|
Redemption of vested equity awards |
(198)
|
|
|
|
(198)
|
|
|
|
|
(198)
|
|
(198)
|
|
|
|
|
|
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP |
0
|
|
|
|
(538)
|
|
|
|
538
|
|
|
|
|
|
|
|
|
Comprehensive income |
22,359
|
|
|
|
|
|
19,434
|
1,808
|
1,117
|
22,359
|
|
20,042
|
|
1,865
|
287
|
|
$ 165
|
Dividends/Distributions |
(28,402)
|
|
|
|
|
|
(28,402)
|
|
|
(29,446)
|
|
(29,281)
|
|
|
|
|
$ (165)
|
Distributions to owners of common and preferred units in COPLP |
(1,044)
|
|
|
|
|
|
|
|
(1,044)
|
|
|
|
|
|
|
|
|
Distributions to noncontrolling interests in other consolidated entities/subsidiaries |
(4)
|
|
|
|
|
|
|
|
(4)
|
(4)
|
|
|
|
|
(4)
|
|
|
Adjustment to arrive at fair value of redeemable noncontrolling interests |
$ (221)
|
|
|
|
(221)
|
|
|
|
|
(221)
|
|
$ (221)
|
|
|
|
|
|
Balance (in units/shares) at Jun. 30, 2018 |
103,260,495
|
|
|
|
|
|
|
|
|
|
|
106,457,556
|
|
|
|
|
|
Balance (preferred units) at Jun. 30, 2018 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
352,000
|
Balance (COPT: 103,260,495 and 111,949,887 shares as of June 30, 2018 and 2019, respectively) at Jun. 30, 2018 |
$ 1,508,485
|
|
1,033
|
|
2,254,430
|
|
(822,270)
|
9,012
|
66,280
|
1,508,485
|
|
$ 1,477,575
|
|
9,235
|
12,875
|
|
$ 8,800
|
Balance (COPT: 101,292,299 and 110,241,868 shares as of December 31, 2017 and 2018 and 102,150,358, respectively and 111,939,790 shares as of March 31, 2018 and 2019, respectively) 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
|
Balance (preferred units) at Dec. 31, 2018 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
352,000
|
352,000
|
Balance (in units/shares) at Dec. 31, 2018 |
110,241,868
|
|
|
|
|
|
|
|
|
|
|
111,574,754
|
|
|
|
1,332,886
|
|
Increase (Decrease) in Shareholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Redemption of common units |
$ (1)
|
|
|
|
|
|
|
|
(1)
|
(1)
|
|
$ (1)
|
|
|
|
|
|
Redemption of common units (in units) |
|
|
|
|
|
|
|
|
|
|
|
(44)
|
|
|
|
|
|
Conversion of common units to common shares (COPT: 53,817 and 5,500 shares for the six months ended June 30, 2018 and 2019, respectively) |
$ 0
|
|
|
|
80
|
|
|
|
(80)
|
|
|
|
|
|
|
|
|
Common shares issued under forward equity sale agreements (COPT: 1,100,000 shares for the three months ended June 30, 2018 and 1,777,000 and 1,614,087 shares for the six months ended June 30, 2018 and 2019, respectively) |
|
$ 46,454
|
|
$ 16
|
|
$ 46,438
|
|
|
|
|
$ 46,454
|
|
$ 46,454
|
|
|
|
|
Common shares issued under forward equity sale agreements (in units/shares) |
|
1,614,087
|
|
|
|
|
|
|
|
|
|
|
1,614,087
|
|
|
|
|
Share-based compensation issuance, net of redemptions (in units/shares) |
88,432
|
|
|
|
|
|
|
|
|
|
|
343,934
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (COPT: 10,137 and 10,097 shares for the three months ended June 30, 2018 and 2019 and 137,379 and 88,432 shares issued, net of redemptions for the six months ended June 30, 2018 and 2019, respectively) |
$ 3,635
|
|
1
|
|
3,049
|
|
|
|
585
|
3,635
|
|
$ 3,635
|
|
|
|
|
|
Redemption of vested equity awards |
(1,920)
|
|
|
|
(1,920)
|
|
|
|
|
(1,920)
|
|
(1,920)
|
|
|
|
|
|
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP |
0
|
|
|
|
(834)
|
|
|
|
834
|
|
|
|
|
|
|
|
|
Comprehensive income |
106,820
|
|
|
|
|
|
127,650
|
(23,227)
|
2,397
|
106,820
|
|
129,246
|
|
(23,517)
|
761
|
|
$ 330
|
Dividends/Distributions |
(61,509)
|
|
|
|
|
|
(61,509)
|
|
|
(62,612)
|
|
(62,282)
|
|
|
|
|
$ (330)
|
Distributions to owners of common and preferred units in COPLP |
(1,103)
|
|
|
|
|
|
|
|
(1,103)
|
|
|
|
|
|
|
|
|
Contributions from noncontrolling interests in other consolidated entities |
2,570
|
|
|
|
|
|
|
|
2,570
|
2,570
|
|
|
|
|
2,570
|
|
|
Distributions to noncontrolling interests in other consolidated entities/subsidiaries |
(8)
|
|
|
|
|
|
|
|
(8)
|
(8)
|
|
|
|
|
(8)
|
|
|
Adjustment to arrive at fair value of redeemable noncontrolling interests |
$ (2,875)
|
|
|
|
(2,875)
|
|
|
|
|
(2,875)
|
|
$ (2,875)
|
|
|
|
|
|
Balance (in units/shares) at Jun. 30, 2019 |
111,949,887
|
|
|
|
|
|
|
|
|
|
|
113,532,731
|
|
|
|
1,582,844
|
|
Balance (preferred units) at Jun. 30, 2019 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
352,000
|
352,000
|
Balance (COPT: 103,260,495 and 111,949,887 shares as of June 30, 2018 and 2019, respectively) at Jun. 30, 2019 |
$ 1,719,111
|
|
1,119
|
|
2,475,293
|
|
(780,667)
|
(23,465)
|
46,831
|
1,719,111
|
|
$ 1,716,912
|
|
(23,638)
|
17,037
|
|
$ 8,800
|
Balance (COPT: 101,292,299 and 110,241,868 shares as of December 31, 2017 and 2018 and 102,150,358, respectively and 111,939,790 shares as of March 31, 2018 and 2019, respectively) at Mar. 31, 2019 |
$ 1,656,178
|
|
1,119
|
|
2,475,497
|
|
(856,703)
|
(9,538)
|
45,803
|
1,656,178
|
|
$ 1,640,272
|
|
(9,536)
|
16,642
|
|
$ 8,800
|
Balance (preferred units) at Mar. 31, 2019 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
352,000
|
Balance (in units/shares) at Mar. 31, 2019 |
111,939,790
|
|
|
|
|
|
|
|
|
|
|
113,515,814
|
|
|
|
|
|
Increase (Decrease) in Shareholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Redemption of common units |
$ (1)
|
|
|
|
|
|
|
|
(1)
|
(1)
|
|
$ (1)
|
|
|
|
|
|
Redemption of common units (in units) |
|
|
|
|
|
|
|
|
|
|
|
(44)
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (in units/shares) |
10,097
|
|
|
|
|
|
|
|
|
|
|
16,961
|
|
|
|
|
|
Share-based compensation issuance, net of redemptions (COPT: 10,137 and 10,097 shares for the three months ended June 30, 2018 and 2019 and 137,379 and 88,432 shares issued, net of redemptions for the six months ended June 30, 2018 and 2019, respectively) |
$ 1,833
|
|
|
|
1,487
|
|
|
|
346
|
1,833
|
|
$ 1,833
|
|
|
|
|
|
Redemption of vested equity awards |
(103)
|
|
|
|
(103)
|
|
|
|
|
(103)
|
|
(103)
|
|
|
|
|
|
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP |
0
|
|
|
|
488
|
|
|
|
(488)
|
|
|
|
|
|
|
|
|
Comprehensive income |
94,592
|
|
|
|
|
|
106,791
|
(13,927)
|
1,728
|
94,592
|
|
108,130
|
|
(14,102)
|
399
|
|
$ 165
|
Dividends/Distributions |
(30,755)
|
|
|
|
|
|
(30,755)
|
|
|
(31,308)
|
|
(31,143)
|
|
|
|
|
$ (165)
|
Distributions to owners of common and preferred units in COPLP |
(553)
|
|
|
|
|
|
|
|
(553)
|
|
|
|
|
|
|
|
|
Distributions to noncontrolling interests in other consolidated entities/subsidiaries |
(4)
|
|
|
|
|
|
|
|
(4)
|
(4)
|
|
|
|
|
(4)
|
|
|
Adjustment to arrive at fair value of redeemable noncontrolling interests |
$ (2,076)
|
|
|
|
(2,076)
|
|
|
|
|
(2,076)
|
|
$ (2,076)
|
|
|
|
|
|
Balance (in units/shares) at Jun. 30, 2019 |
111,949,887
|
|
|
|
|
|
|
|
|
|
|
113,532,731
|
|
|
|
1,582,844
|
|
Balance (preferred units) at Jun. 30, 2019 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
352,000
|
352,000
|
Balance (COPT: 103,260,495 and 111,949,887 shares as of June 30, 2018 and 2019, respectively) at Jun. 30, 2019 |
$ 1,719,111
|
|
$ 1,119
|
|
$ 2,475,293
|
|
$ (780,667)
|
$ (23,465)
|
$ 46,831
|
$ 1,719,111
|
|
$ 1,716,912
|
|
$ (23,638)
|
$ 17,037
|
|
$ 8,800
|