Mack-Cali Realty Corporation Stockholders' Equity And Mack-Cali Realty, L.P.'s Partners' Capital (Schedule Of Stock Option Plans) (Details)
$ / shares in Units, $ in Thousands |
9 Months Ended |
|
Sep. 30, 2016
USD ($)
$ / shares
shares
|
|---|
| Mack-Cali Realty Corporation Stockholders' Equity And Mack-Cali Realty, L.P.'s Partners' Capital [Abstract] |
|
| Shares Under Options - Outstanding, beginning balance | shares |
805,000
|
| Shares Under Options - Lapsed or Cancelled | shares |
|
| Shares Under Options - Outstanding, ending balance | shares |
805,000
|
| Shares Under Options - Options exercisable | shares |
538,334
|
| Shares Under Options - Available for grant | shares |
2,728,507
|
| Weighted Average Exercise Price - Outstanding, beginning balance | $ / shares |
$ 17.33
|
| Weighted Average Exercise Price - Lapsed or Cancelled | $ / shares |
|
| Weighted Average Exercise Price - Outstanding, ending balance | $ / shares |
$ 17.33
|
| Aggregate Intrinsic Value, Outstanding, beginning balance | $ |
$ 4,843
|
| Aggregate Intrinsic Value, Outstanding, ending balance | $ |
$ 7,958
|
| Outstanding stock option price range, lower range | $ / shares |
$ 17.31
|
| Outstanding stock option price range, upper range | $ / shares |
$ 21.25
|