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 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]        
Income from continuing operations $ 15,921 $ 24,187 $ 54,096 $ 62,724
Add: Noncontrolling interest in consolidated joint ventures 85 96 256 308
Deduct: Noncontrolling interest in Operating Partnership (1,949) (3,028) (6,624) (8,001)
Deduct: Preferred stock dividends   (664)   (1,664)
Income from continuing operations available to common shareholders 14,057 20,591 47,728 53,367
Income (loss) from discontinued operations available to common shareholders 224 (91) 2,421 195
Net income available to common shareholders $ 14,281 $ 20,500 $ 50,149 $ 53,562
Weighted average common shares 87,826 87,019 87,814 85,649
Income from continuing operations available to common shareholders $ 0.16 $ 0.24 $ 0.54 $ 0.63
Income (loss) from discontinued operations available to common shareholders     $ 0.03  
Net income available to common shareholders $ 0.16 $ 0.24 $ 0.57 $ 0.63