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 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]        
Income from continuing operations $ 12,727 $ 20,102 $ 38,175 $ 38,537
Add: Noncontrolling interest in consolidated joint ventures 92 102 171 212
Deduct: Noncontrolling interest in Operating Partnership (1,562) (2,536) (4,675) (4,973)
Deduct: Preferred stock dividends   (500)   (1,000)
Income from continuing operations available to common shareholders 11,257 17,168 33,671 32,776
Income (loss) from discontinued operations available to common shareholders (1,156) 165 2,197 286
Net income available to common shareholders $ 10,101 $ 17,333 $ 35,868 $ 33,062
Weighted average common shares 87,817 86,936 87,808 84,953
Income from continuing operations available to common shareholders $ 0.12 $ 0.20 $ 0.38 $ 0.39
Income (loss) from discontinued operations available to common shareholders $ (0.01)   $ 0.03  
Net income available to common shareholders $ 0.11 $ 0.20 $ 0.41 $ 0.39