Mack-Cali Realty Corporation Stockholders' Equity And Mack-Cali Realty, L.P.'s Partners' Capital (Schedule Of Restricted Stock Awards) (Details) |
9 Months Ended |
|---|---|
|
Sep. 30, 2018
$ / shares
shares
| |
| Mack-Cali Realty Corporation Stockholders' Equity And Mack-Cali Realty, L.P.'s Partners' Capital [Abstract] | |
| Shares, Outstanding, Beginning balance | shares | 108,318 |
| Shares, Granted | shares | 40,185 |
| Shares, Vested | shares | (72,502) |
| Shares, Cancelled | shares | (8,712) |
| Shares, Outstanding, Ending balance | shares | 67,289 |
| Weighted-Average Grant-Date Fair Value, Outstanding beginning balance | $ / shares | $ 25.49 |
| Weighted-Average Grant-Date Fair Value, Granted | $ / shares | 20.16 |
| Weighted-Average Grant-Date Fair Value, Vested | $ / shares | 25.33 |
| Weighted-Average Grant-Date Fair Value, Cancelled | $ / shares | 25.83 |
| Weighted-Average Grant-Date Fair Value, Outstanding ending balance | $ / shares | $ 22.43 |