Annual report pursuant to Section 13 and 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 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]                      
Income (loss) from continuing operations $ (60,202) $ (46,039) $ 8,599 $ 7,956 $ 525 $ 9,835 $ 7,076 $ 20,130 $ (89,686) $ 37,566 $ 59,499
Add: Noncontrolling interest in consolidated joint ventures 237 1,838 62 62 74 85 92 79 2,199 330 402
Deduct: Noncontrolling interest in Operating Partnership 7,167 5,313 (1,048) (973) (73) (1,208) (874) (2,464) 10,459 (4,619) (7,532)
Deduct: Preferred stock dividends                     (1,736)
Income (loss) from continuing operations available to common shareholders                 (77,028) 33,277 50,633
Income from discontinued operations available to common shareholders                 62,119 7,645 19,051
Net income available to common shareholders $ (54,179) $ 4,643 $ 23,071 $ 11,556 $ (9,227) $ 14,281 $ 10,101 $ 25,767 $ (14,909) $ 40,922 $ 69,684
Weighted average common shares                 87,762 87,742 86,047
Income (loss) from continuing operations available to common shareholders $ (0.60) $ (0.45) $ 0.09 $ 0.08 $ 0.01 $ 0.10 $ 0.07 $ 0.20 $ (0.88) $ 0.38 $ 0.59
Income from discontinued operations available to common shareholders $ (0.02) $ 0.50 $ 0.17 $ 0.05 $ (0.12) $ 0.06 $ 0.04 $ 0.09 $ 0.71 $ 0.09 $ 0.22
Net income (loss) available to common shareholders $ (0.62) $ 0.05 $ 0.26 $ 0.13 $ (0.11) $ 0.16 $ 0.11 $ 0.29 $ (0.17) $ 0.47 $ 0.81