Mack-Cali Realty Corporation Stockholders' Equity And Mack-Cali Realty, L.P.'s Partners' Capital (Schedule Of Stock Option Plans) (Details) - USD ($)
$ / shares in Units, $ in Thousands |
3 Months Ended |
Mar. 31, 2019 |
Mar. 31, 2018 |
| Mack-Cali Realty Corporation Stockholders' Equity And Mack-Cali Realty, L.P.'s Partners' Capital [Abstract] |
|
|
| Shares Under Options - Outstanding, beginning balance |
800,000
|
800,000
|
| Shares Under Options - Granted, Lapsed or Cancelled |
|
|
| Shares Under Options - Outstanding, ending balance |
800,000
|
800,000
|
| Shares Under Options - Options exercisable |
800,000
|
666,666
|
| Shares Under Options - Available for grant |
750,000
|
2,102,977
|
| Weighted Average Exercise Price - Outstanding, beginning balance |
$ 17.31
|
$ 17.31
|
| Weighted Average Exercise Price - Granted, Lapsed or Cancelled |
|
|
| Weighted Average Exercise Price - Outstanding, ending balance |
$ 17.31
|
$ 17.31
|
| Aggregate Intrinsic Value, Outstanding, beginning balance |
$ 1,824
|
$ 3,400
|
| Aggregate Intrinsic Value, Outstanding, ending balance |
$ 3,912
|
|
| Outstanding stock option price |
$ 17.31
|
$ 17.31
|