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Consolidated Statements of Equity (USD $) In Thousands | Total | Preferred Shares | Common Shares | Additional Paid-in Capital | Cumulative Distributions in Excess of Net Income (Loss) | Accumulated Other Comprehensive Loss | Noncontrolling Interests
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2009 | $ 1,120,632 | $ 81 | $ 583 | $ 1,238,704 | $ (209,941) | $ (1,907) | $ 93,112
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Issuance of 4.25% Exchangeable Senior Notes | 18,149 |  |  | 18,149 |  |  |
Conversion of common units to common shares (21,045 and 610,598 shares in 2011 and 2010, respectively) |  |  | 6 | 8,821 |  |  | (8,827)
Costs associated with common shares issued to the public | (19) |  |  | (19) |  |  |
Exercise of share options (180,464 and 175,443 shares in 2011 and 2010, respectively) | 3,084 |  | 2 | 3,082 |  |  |
Share-based compensation | 5,642 |  | 2 | 5,640 |  |  |
Restricted common share redemptions (107,442 and 99,692 shares in 2011 and 2010, respectively) | (3,713) |  |  | (3,713) |  |  |
Adjustments to noncontrolling interests resulting from changes in ownership of Operating Partnership by COPT |  |  |  | (1,496) |  |  | 1,496
Adjustments related to derivatives designated as cash flow hedges | (2,517) |  |  |  |  | (2,356) | (161)
Net (loss) income | 19,826 |  |  |  | 18,404 |  | 1,422
Dividends | (54,471) |  |  |  | (54,471) |  |
Distributions to owners of common and preferred units in the Operating Partnership | (3,946) |  |  |  |  |  | (3,946)
Contributions from noncontrolling interests in other consolidated entities | 9,260 |  |  |  |  |  | 9,260
Acquisition of noncontrolling interests in other consolidated entities | (361) |  |  | (26) |  |  | (335)
Balance at Jun. 30, 2010 | 1,111,566 | 81 | 593 | 1,269,142 | (246,008) | (4,263) | 92,021
Balance at Dec. 31, 2010 | 1,323,138 | 81 | 669 | 1,511,844 | (281,794) | (4,163) | 96,501
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Conversion of common units to common shares (21,045 and 610,598 shares in 2011 and 2010, respectively) |  |  |  | 328 |  |  | (328)
Common shares issued to the public (4,600,000 shares) | 145,361 |  | 46 | 145,315 |  |  |
Exercise of share options (180,464 and 175,443 shares in 2011 and 2010, respectively) | 2,309 |  | 2 | 2,307 |  |  |
Share-based compensation | 6,358 |  | 2 | 6,356 |  |  |
Restricted common share redemptions (107,442 and 99,692 shares in 2011 and 2010, respectively) | (3,813) |  |  | (3,813) |  |  |
Adjustments to noncontrolling interests resulting from changes in ownership of Operating Partnership by COPT |  |  |  | (4,778) |  |  | 4,778
Adjustments related to derivatives designated as cash flow hedges | (6,327) |  |  |  |  | (5,461) | (866)
Net (loss) income | (44,573) |  |  |  | (42,014) |  | (2,559)
Dividends | (65,387) |  |  |  | (65,387) |  |
Distributions to owners of common and preferred units in the Operating Partnership | (3,947) |  |  |  |  |  | (3,947)
Contributions from noncontrolling interests in other consolidated entities | 261 |  |  | (23) |  |  | 284
Distributions to noncontrolling interests in other consolidated entities | (8) |  |  |  |  |  | (8)
Balance at Jun. 30, 2011 | $ 1,353,372 | $ 81 | $ 719 | $ 1,657,536 | $ (389,195) | $ (9,624) | $ 93,855

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