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, 2013
Dec. 31, 2011
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]    
Shares Under Options - Outstanding, beginning balance 183,870 295,676
Shares Under Options - Exercised   (107,806)
Shares Under Options - Lapsed or Cancelled (168,870) (4,000)
Shares Under Options - Outstanding, ending balance 15,000 183,870
Shares Under Options - Options exercisable 15,000  
Shares Under Options - Available for grant 4,499,298  
Weighted Average Exercise Price - Outstanding, beginning balance $ 29.51 $ 29.05
Weighted Average Exercise Price - Exercised   $ (28.27)
Weighted Average Exercise Price - Lapsed or Cancelled $ 28.53 $ 28.80
Weighted Average Exercise Price - Outstanding, ending balance $ 40.54 $ 29.51
Aggregate Intrinsic Value, Outstanding, beginning balance   $ 1,186