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 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]        
Basic EPS shares 87,826 87,019 87,814 85,649
Add: Operating Partnership - common units 12,177 12,799 12,184 12,864
Stock options   15   30
Restricted Stock Awards 72 84 73 88
Diluted EPS Shares 100,075 99,917 100,071 98,631