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Quarterly Data (Unaudited) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2011
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Sep. 30, 2011
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Jun. 30, 2011
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Mar. 31, 2011
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Dec. 31, 2010
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Sep. 30, 2010
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Jun. 30, 2010
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Mar. 31, 2010
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| Quarterly Data (Unaudited) | ||||||||||||||||
| Revenues | $ 139,002 | $ 137,517 | $ 142,833 | $ 137,489 | $ 144,195 | $ 121,915 | $ 129,163 | $ 142,325 | $ 556,841 | $ 537,598 | $ 737,628 | |||||
| Operating income (loss) | (43,482) | 30,761 | 12,836 | 4,007 | 32,834 | 29,233 | 32,718 | 29,747 | 4,122 | 124,532 | 130,328 | |||||
| (Loss) income from continuing operations | (91,089) | 4,283 | (5,524) | (20,366) | 15,311 | 4,528 | 7,891 | 8,890 | (112,696) | 36,620 | 54,566 | |||||
| Discontinued operations | 3,870 | 3,187 | (20,499) | (901) | 1,441 | 1,921 | 925 | 1,768 | (14,343) | 6,055 | 6,733 | |||||
| Net (loss) income | (87,215) | 7,470 | (26,007) | (18,566) | 16,752 | 8,926 | 9,151 | 10,675 | (124,318) | 45,504 | 61,299 | |||||
| Net loss (income) attributable to noncontrolling interests | 4,988 | (904) | 1,783 | 776 | (1,228) | (94) | (685) | (737) | 6,643 | (2,744) | (4,970) | |||||
| Net (loss) income attributable to Corporate Office Properties Trust | (82,227) | 6,566 | (24,224) | (17,790) | 15,524 | 8,832 | 8,466 | 9,938 | (117,675) | 42,760 | 56,329 | |||||
| Preferred share dividends | (4,026) | (4,025) | (4,026) | (4,025) | (4,026) | (4,025) | (4,026) | (4,025) | (16,102) | (16,102) | (16,102) | |||||
| Net (loss) income attributable to Corporate Office Properties Trust common shareholders | $ (86,253) | $ 2,541 | $ (28,250) | $ (21,815) | $ 11,498 | $ 4,807 | $ 4,440 | $ 5,913 | $ (133,777) | $ 26,658 | $ 40,227 | |||||
| Basic earnings per share: | ||||||||||||||||
| (Loss) income from continuing operations (in dollars per share) | $ (1.26) | $ (0.01) | $ (0.14) | $ (0.32) | $ 0.16 | $ 0.05 | $ 0.06 | $ 0.07 | $ (1.75) | [1] | $ 0.34 | [1] | $ 0.59 | [1] | ||
| Net (loss) income attributable to COPT common shareholders (in dollars per share) | $ (1.21) | $ 0.03 | $ (0.42) | $ (0.33) | $ 0.18 | $ 0.08 | $ 0.07 | $ 0.10 | $ (1.94) | [1] | $ 0.43 | [1] | $ 0.70 | [1] | ||
| Diluted earnings per share: | ||||||||||||||||
| (Loss) income from continuing operations (in dollars per share) | $ (1.26) | $ (0.01) | $ (0.14) | $ (0.32) | $ 0.16 | $ 0.05 | $ 0.06 | $ 0.07 | $ (1.75) | [1] | $ 0.34 | [1] | $ 0.59 | [1] | ||
| Net (loss) income attributable to COPT common shareholders (in dollars per share) | $ (1.21) | $ 0.03 | $ (0.42) | $ (0.33) | $ 0.18 | $ 0.08 | $ 0.07 | $ 0.10 | $ (1.94) | [1] | $ 0.43 | [1] | $ 0.70 | [1] | ||
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- Definition
Equity impact of preferred stock cash dividends declared by an entity during the period. This element includes paid and unpaid dividends declared during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This element represents the overall income (loss) from a disposal group that is classified as a component of the entity, net of income tax, reported as a separate component of income before extraordinary items before deduction or consideration of the amount which may be allocable to noncontrolling interests, if any. Includes the following (net of tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The portion of net Income or Loss attributable to the noncontrolling interest (if any) deducted in order to derive the portion attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- Definition
The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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