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) - shares
shares in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]        
Basic EPS shares 89,244 88,691 89,218 88,491
Add: Operating Partnership - common units 11,028 11,302 11,051 11,444
Restricted Stock Awards 42 30 44 29
Diluted EPS Shares 100,314 100,023 100,313 99,964