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v3.7.0.1

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 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Costs associated with common shares issued to the public | $ (5) |  |  | (5) |  |  |  | (5) | $ (5) |  |  |  |  |  |
Share-based compensation issuance, net of redemptions (in units/shares) | 129,869 |  |  |  |  |  |  |  | 129,869 |  |  |  |  |  |
Share-based compensation issuance, net of redemptions (COPT: 129,869 and 159,801 shares issued, net of redemptions for the three months ended March 31, 2016 and 2017, respectively) | $ 2,425 |  | 2 | 2,423 |  |  |  | 2,425 | $ 2,425 |  |  |  |  |  |
Redemption of vested equity awards | (1,154) |  |  | (1,154) |  |  |  | (1,154) | (1,154) |  |  |  |  |  |
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP | 0 |  |  | 54 |  |  | (54) |  |  |  |  |  |  |  |
Comprehensive income (loss) | (2,878) |  |  |  | 6,826 | (10,024) | 320 | (2,878) | 3,400 | (10,414) | 419 |  | $ 165 |  | $ 3,552
Dividends / Distributions to owners of common and preferred units | (29,589) |  |  |  | (29,589) |  |  | (30,765) | (27,048) |  |  |  | $ (165) |  | $ (3,552)
Distributions to owners of common and preferred units in COPLP | (1,176) |  |  |  |  |  | (1,176) |  |  |  |  |  |  |  |
Distributions to noncontrolling interests in subsidiaries | (4) |  |  |  |  |  | (4) | (4) |  |  | (4) |  |  |  |
Adjustment to arrive at fair value of redeemable noncontrolling interests | $ (302) |  |  | (302) |  |  |  | (302) | $ (302) |  |  |  |  |  |
Balance (in units/ shares) at Mar. 31, 2016 | 94,661,381 |  |  |  |  |  |  |  | 98,338,772 |  |  |  |  |  |
Balance (preferred units) at Mar. 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  | 352,000 |  | 7,431,667
Balance (COPT: 94,661,381 shares and 99,390,234 shares as of March 31, 2016 and 2017, respectively) at Mar. 31, 2016 | $ 1,583,881 | 199,083 | 947 | 2,005,523 | (679,935) | (12,862) | 71,125 | 1,583,881 | $ 1,378,061 | (13,399) | 11,336 |  | $ 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 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of common units to common shares (185,000 shares) | $ 0 |  | 2 | 2,535 |  |  | (2,537) |  |  |  |  |  |  |  |
Issuance of common units resulting from common shares issued under at-the-market program (in units) |  |  |  |  |  |  |  |  | 546,782 |  |  |  |  |  |
Issuance of common units resulting from common shares issued under at-the-market program (COPT: 546,782 shares for the three months ended March 31, 2017) | $ 18,222 |  | 5 | 18,217 |  |  |  | 18,222 | $ 18,222 |  |  |  |  |  |
Share-based compensation issuance, net of redemptions (in units/shares) | 159,801 |  |  |  |  |  |  |  | 159,801 |  |  |  |  |  |
Share-based compensation issuance, net of redemptions (COPT: 129,869 and 159,801 shares issued, net of redemptions for the three months ended March 31, 2016 and 2017, respectively) | $ 1,582 |  | 2 | 1,580 |  |  |  | 1,582 | $ 1,582 |  |  |  |  |  |
Redemption of vested equity awards | (1,753) |  |  | (1,753) |  |  |  | (1,753) | (1,753) |  |  |  |  |  |
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP | 0 |  |  | (246) |  |  | 246 |  |  |  |  |  |  |  |
Comprehensive income (loss) | 23,929 |  |  |  | 21,355 | 1,361 | 1,213 | 23,929 | 18,809 | 1,408 | 367 |  | $ 165 |  | $ 3,180
Dividends / Distributions to owners of common and preferred units | (30,524) |  |  |  | (30,524) |  |  | (31,625) | (28,280) |  |  |  | $ (165) |  | $ (3,180)
Distributions to owners of common and preferred units in COPLP | (1,101) |  |  |  |  |  | (1,101) |  |  |  |  |  |  |  |
Distributions to noncontrolling interests in subsidiaries | (2,606) |  |  |  |  |  | (2,606) | (2,606) |  |  | (2,606) |  |  |  |
Adjustment to arrive at fair value of redeemable noncontrolling interests | $ (545) |  |  | (545) |  |  |  | (545) | $ (545) |  |  |  |  |  |
Balance (in units/ shares) at Mar. 31, 2017 | 99,390,234 |  |  |  |  |  |  |  | 102,795,625.000 |  |  | 3,405,391 |  | 99,390,234 |
Balance (preferred units) at Mar. 31, 2017 |  |  |  |  |  |  |  |  |  |  |  | 352,000 | 352,000 | 6,900,000 | 6,900,000
Balance (COPT: 94,661,381 shares and 99,390,234 shares as of March 31, 2016 and 2017, respectively) at Mar. 31, 2017 | $ 1,601,868 | $ 172,500 | $ 994 | $ 2,136,369 | $ (774,445) | $ (370) | $ 66,820 | $ 1,601,868 | $ 1,409,632 | $ (446) | $ 11,382 |  | $ 8,800 |  | $ 172,500

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