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, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]        
Income (loss) from continuing operations $ (12,086) $ 10,214 $ (919) $ 33,380
Add: Noncontrolling interest in consolidated joint ventures 62 92 124 171
Deduct: Noncontrolling interest in Operating Partnership 1,455 (1,256) 93 (4,090)
Income from continuing operations available to common shareholders (10,569) 9,050 (702) 29,461
Income (loss) from discontinued operations available to common shareholders 33,640 1,051 35,329 6,407
Net income available to common shareholders $ 23,071 $ 10,101 $ 34,627 $ 35,868
Weighted average common shares 87,708 87,817 87,688 87,808
Income (loss) from continuing operations available to common shareholders $ (0.12) $ 0.10 $ (0.01) $ 0.34
Income (loss) 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