Properties, Net (Details 5) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
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| Real Estate [Abstract] | ||||
| Pro forma total revenues | $ 152,736 | $ 162,085 | $ 498,657 | $ 467,224 |
| Pro forma net income attributable to COPT common shareholders | $ 88,836 | $ 19,683 | $ 112,941 | $ 19,266 |
| Pro Forma EPS, Basic (in dollars per share) | $ 0.94 | $ 0.22 | $ 1.20 | $ 0.22 |
| Pro Forma EPS, Diluted (in dollars per share) | $ 0.94 | $ 0.22 | $ 1.20 | $ 0.22 |
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- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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