Quarterly report pursuant to Section 13 or 15(d)

Mack-Cali Realty Corporation Stockholders' Equity (Schedule Of Reconciliation Of Shares Used In Basic EPS Calculation To Shares Used In Diluted EPS Calculation) (Details)

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Mack-Cali Realty Corporation Stockholders' Equity (Schedule Of Reconciliation Of Shares Used In Basic EPS Calculation To Shares Used In Diluted EPS Calculation) (Details)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]        
Basic EPS shares 87,708 87,817 87,688 87,808
Add: Operating Partnership - common units 12,072 12,183 12,085 12,188
Restricted Stock Awards   69   69
Diluted EPS Shares 99,780 100,069 99,773 100,065