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, 2018
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 | 800,000 |
| Shares Under Options - Granted, Lapsed or Cancelled | |
| Shares Under Options - Outstanding, ending balance | 800,000 |
| Shares Under Options - Options exercisable | 800,000 |
| Shares Under Options - Available for grant | 1,521,655 |
| Weighted Average Exercise Price - Outstanding, beginning balance | $ / shares | $ 17.31 |
| Weighted Average Exercise Price - Granted, Lapsed or Cancelled | $ / shares | |
| Weighted Average Exercise Price - Outstanding, ending balance | $ / shares | $ 17.31 |
| Aggregate Intrinsic Value, Outstanding, beginning balance | $ | $ 3,400 |
| Aggregate Intrinsic Value, Outstanding, ending balance | $ | $ 3,160 |