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, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]        
Basic EPS shares 87,817 86,936 87,808 84,953
Add: Operating Partnership - common units 12,183 12,840 12,188 12,896
Stock options   37   40
Restricted Stock Awards 69 74 69 74
Diluted EPS Shares 100,069 99,887 100,065 97,963