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 |
9 Months Ended |
|
|
Jun. 05, 2015 |
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Dec. 31, 2018 |
| Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
|
|
|
|
|
|
|
| Shares Under Options - Outstanding, beginning balance |
|
800,000
|
800,000
|
|
|
|
|
| Shares Under Options - Granted |
800,000
|
172,495
|
|
|
|
|
|
| Shares Under Options - Outstanding, ending balance |
|
972,495
|
800,000
|
972,495
|
800,000
|
|
|
| Shares Under Options - Options exercisable |
|
972,495
|
800,000
|
972,495
|
800,000
|
|
|
| Shares Under Options - Available for grant |
|
717,155
|
751,936
|
717,155
|
751,936
|
|
|
| Weighted Average Exercise Price - Outstanding, beginning balance |
|
$ 17.31
|
$ 17.31
|
|
|
|
|
| Weighted Average Exercise Price - Granted |
|
14.39
|
|
|
|
|
|
| Weighted Average Exercise Price - Outstanding, ending balance |
|
$ 16.79
|
$ 17.31
|
$ 16.79
|
$ 17.31
|
|
|
| Aggregate intrinsic value |
|
|
$ 3,480
|
|
$ 3,480
|
$ 4,784
|
|
| 2013 Incentive Stock Plan [Member] |
|
|
|
|
|
|
|
| Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
|
|
|
|
|
|
|
| Shares Under Options - Outstanding, beginning balance |
|
|
|
800,000
|
800,000
|
|
|
| Shares Under Options - Granted |
|
|
|
172,495
|
|
|
|
| Shares Under Options - Outstanding, ending balance |
|
972,495
|
800,000
|
972,495
|
800,000
|
|
|
| Shares Under Options - Options exercisable |
|
972,495
|
800,000
|
972,495
|
800,000
|
|
|
| Shares Under Options - Available for grant |
|
717,155
|
751,936
|
717,155
|
751,936
|
|
|
| Weighted Average Exercise Price - Outstanding, beginning balance |
|
|
|
$ 17.31
|
$ 17.31
|
|
|
| Weighted Average Exercise Price - Granted |
|
|
|
14.39
|
|
|
|
| Weighted Average Exercise Price - Outstanding, ending balance |
|
$ 16.79
|
$ 17.31
|
16.79
|
$ 17.31
|
|
|
| Aggregate intrinsic value |
|
|
$ 3,480
|
|
$ 3,480
|
|
$ 1,824
|
| Outstanding stock option price |
|
|
$ 17.31
|
|
$ 17.31
|
|
|
| Minimum [Member] | 2013 Incentive Stock Plan [Member] |
|
|
|
|
|
|
|
| Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
|
|
|
|
|
|
|
| Outstanding stock option price |
|
14.39
|
|
14.39
|
|
|
|
| Maximum [Member] | 2013 Incentive Stock Plan [Member] |
|
|
|
|
|
|
|
| Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
|
|
|
|
|
|
|
| Outstanding stock option price |
|
$ 17.31
|
|
$ 17.31
|
|
|
|