Quarterly report pursuant to Section 13 or 15(d)

Mack-Cali Realty Corporation Stockholders' Equity (Earnings Per Share Tables - Basic Computation Of EPS) (Details)

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Mack-Cali Realty Corporation Stockholders' Equity (Earnings Per Share Tables - Basic Computation Of EPS) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]    
Income from continuing operations $ 25,448 $ 18,435
Add: Noncontrolling interest in consolidated joint ventures 79 110
Deduct: Noncontrolling interest in Operating Partnership (3,113) (2,437)
Deduct: Preferred stock dividends   (500)
Income from continuing operations available to common shareholders 22,414 15,608
Income (loss) from discontinued operations available to common shareholders 3,353 121
Net income available to common shareholders $ 25,767 $ 15,729
Weighted average common shares 87,799 82,948
Income from continuing operations available to common shareholders $ 0.25 $ 0.19
Income (loss) from discontinued operations available to common shareholders $ 0.04   
Net income available to common shareholders $ 0.29 $ 0.19