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Mack-Cali Realty Corporation Stockholders' Equity (Earnings Per Share) (Narrative) (Details) (USD $)
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3 Months Ended | 6 Months Ended | |||
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Jun. 30, 2012
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Jun. 30, 2011
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Jun. 30, 2012
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Jun. 30, 2011
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Dec. 31, 2011
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| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | |||||
| Unvested restricted stock outstanding | 105,843 | 105,843 | 187,447 | ||
| Dividends declared per common share | $ 0.45 | $ 0.45 | $ 0.90 | $ 0.90 | |
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Restricted Stock [Member]
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| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | |||||
| Unvested restricted stock outstanding | 105,843 | 157,681 | 105,843 | 157,681 | |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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