Annual report pursuant to Section 13 and 15(d)

Mack-Cali Realty Corporation Stockholders' Equity (Schedule Of Stock Option Plans) (Details)

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Mack-Cali Realty Corporation Stockholders' Equity (Schedule Of Stock Option Plans) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Shares Under Options - Outstanding, beginning balance 183,870 295,676 352,184
Shares Under Options - Exercised   (107,806) (55,508)
Shares Under Options - Lapsed or Cancelled   (4,000) (1,000)
Shares Under Options - Outstanding, ending balance 183,870 183,870 295,676
Shares Under Options - Options exercisable 183,870 183,870  
Shares Under Options - Available for grant 2,276,395 [1] 2,343,337  
Weighted Average Exercise Price - Outstanding, beginning balance $ 29.51 $ 29.05 $ 28.74
Weighted Average Exercise Price - Exercised   $ 28.27 $ 27.10
Weighted Average Exercise Price - Lapsed or Cancelled   $ 28.80 $ 26.75
Weighted Average Exercise Price - Outstanding, ending balance $ 29.51 $ 29.51 $ 29.05
Aggregate Intrinsic Value, Outstanding, beginning balance   $ 1,186  
Aggregate Intrinsic Value, Outstanding, ending balance     $ 1,186
Outstanding stock option price range, lower range $ 28.47 $ 28.47 $ 26.31
Outstanding stock option price range, upper range $ 45.47 $ 45.47 $ 45.47
Shares, Granted 70,758 [2] 81,736 [3] 111,127 [4]
Restricted Stock [Member]
      
Shares Under Options - Available for grant 319,667    
Performance Shares [Member]
      
Shares Under Options - Available for grant 5,160    
[1] This amount includes 319,667 Restricted Stock Awards and 5,160 Performance Shares which were issued to certain executives on January 2, 2013, as further described in the September 2012 plans in Stock Compensation below.
[2] Included in the 70,758 Restricted Stock Awards granted in 2012 were 42,273 awards granted to the Company’s three executive officers, Mitchell E. Hersh, Barry Lefkowitz and Roger W. Thomas.
[3] Included in the 81,736 Restricted Stock Awards granted in 2011 were 51,970 awards granted to the Company’s four executive officers, Mitchell E. Hersh, Barry Lefkowitz, Roger W. Thomas and Michael Grossman.
[4] Included in the 111,127 Restricted Stock Awards granted in 2010 were 51,970 awards granted to the Company’s five executive officers, Mitchell E. Hersh, Barry Lefkowitz, Roger W. Thomas, Michael Grossman and Mark Yeager.