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
Mar. 31, 2012
Mar. 31, 2011
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]    
Basic EPS shares 87,799 82,948
Add: Operating Partnership - common units 12,193 12,952
Stock options   43
Restricted Stock Awards 70 72
Diluted EPS Shares 100,062 96,015