Quarterly report pursuant to Section 13 or 15(d)

Mack-Cali Realty Corporation Stockholders' Equity (Schedule Of Restricted Stock Awards) (Details)

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Mack-Cali Realty Corporation Stockholders' Equity (Schedule Of Restricted Stock Awards) (Details) (USD $)
6 Months Ended
Jun. 30, 2012
Jun. 30, 2012
Restricted Stock [Member]
Jun. 30, 2011
Restricted Stock [Member]
Unvested restricted stock outstanding, beginning balance 187,447 105,843 157,681
Shares, Vested (81,604)    
Unvested restricted stock outstanding, ending balance 105,843 105,843 157,681
Weighted-Average Grant-Date Fair Value, Outstanding beginning balance $ 33.82    
Weighted-Average Grant-Date Fair Value, Vested $ 34.42    
Weighted-Average Grant-Date fair value, Outstanding ending balance $ 33.36