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
3 Months Ended 9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]        
Income from continuing operations $ 24,083 $ 15,581 $ 62,949 $ 50,518
Noncontrolling interest in consolidated joint ventures 96 108 308 281
Noncontrolling interest in operating partnership (3,015) (2,150) (8,031) (7,047)
Preferred stock dividends (664) (500) (1,664) (1,500)
Income from continuing operations available to common shareholders 20,500 13,039 53,562 42,252
Income (loss) from discontinued operations available to common shareholders       4,021
Net income available to common shareholders $ 20,500 $ 13,039 $ 53,562 $ 46,273
Weighted average common shares 87,019 79,304 85,649 79,161
Income from continuing operations available to common shareholders $ 0.24 $ 0.16 $ 0.63 $ 0.53
Income (loss) from discontinued operations available to common shareholders       $ 0.05
Net income available to common shareholders $ 0.24 $ 0.16 $ 0.63 $ 0.58