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Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011
Net income (loss) | $ 11,861 | $ (26,007) | $ 18,838 | $ (44,573)
Other comprehensive income |  |  |  |
Unrealized losses on interest rate derivatives | (2,639) | (8,458) | (4,626) | (8,594)
Losses on interest rate derivatives included in net income | 928 | 1,163 | 2,402 | 2,267
Other comprehensive (loss) income | (1,711) | (7,295) | (2,224) | (6,327)
Comprehensive income (loss) | 10,150 | (33,302) | 16,614 | (50,900)
Comprehensive (income) loss attributable to noncontrolling interests | (1,011) | 2,233 | (1,282) | 2,947
Comprehensive income (loss) attributable to COPT | $ 9,139 | $ (31,069) | $ 15,332 | $ (47,953)

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