Annual report pursuant to Section 13 and 15(d)

Mack-Cali Realty Corporation Stockholders' Equity (Schedule Of Restricted Stock Awards) (Details)

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Mack-Cali Realty Corporation Stockholders' Equity (Schedule Of Restricted Stock Awards) (Details) (USD $)
12 Months Ended
Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unvested restricted stock outstanding, beginning balance 187,447 239,759 323,088
Shares, Granted 70,758 [1] 81,736 [2] 111,127 [3]
Shares, Vested (123,877) (134,048) (170,978)
Shares, Forfeited     (23,478)
Unvested restricted stock outstanding, ending balance 134,328 187,447 239,759
Weighted-Average Grant-Date Fair Value, Outstanding beginning balance $ 33.82 $ 35.90 $ 36.58
Weighted-Average Grant-Date Fair Value, Granted $ 25.28 [1] $ 25.38 [2] $ 32.10 [3]
Weighted-Average Grant-Date Fair Value, Vested $ 31.30 $ 32.39 $ 34.74
Weighted-Average Grant-Date Fair Value, Forfeited     $ 35.70
Weighted-Average Grant-Date fair value, Outstanding ending balance $ 31.65 $ 33.82 $ 35.90
Number of executive officers that were granted restricted stock awards 3 4 5
Executive Officer [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares, Granted 42,273 51,970 51,970
[1] 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.
[2] 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.
[3] 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.