Quarterly report pursuant to Section 13 or 15(d)

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

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Mack-Cali Realty Corporation Stockholders' Equity (Earnings Per Share Tables - Diluted Computation Of EPS) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]        
Income (loss) from continuing operations attributable to common shareholders $ (10,569) $ 9,050 $ (702) $ 29,461
Add: Noncontrolling interest in Operating Partnership (1,455) 1,256 (93) 4,090
Income (loss) from continuing operations for diluted earnings per share (12,024) 10,306 (795) 33,551
Income from discontinued operations for diluted earnings per share 38,270 1,197 40,192 7,298
Net income available to common shareholders $ 26,246 $ 11,503 $ 39,397 $ 40,849
Weighted average common shares 99,780 100,069 99,773 100,065
Income (loss) from continuing operations available to common shareholders $ (0.12) $ 0.10 $ (0.01) $ 0.34
Income from discontinued operations available to common shareholders $ 0.38 $ 0.01 $ 0.40 $ 0.07
Net income available to common shareholders $ 0.26 $ 0.11 $ 0.39 $ 0.41