Mack-Cali Realty Corporation Stockholders' Equity And Mack-Cali Realty, L.P.'s Partners' Capital (Earnings Per Share Tables - Diluted Computation Of EPS) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended |
6 Months Ended |
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
| Stockolders Equity [Line Items] |
|
|
|
|
| Net income (loss) available to common shareholders for basic earnings per share |
$ (39,881)
|
$ 48,393
|
$ (29,862)
|
$ 110,584
|
| Add (deduct): Noncontrolling interest in Operating Partnership |
(4,296)
|
5,662
|
(2,001)
|
12,946
|
| Deduct: Redeemable noncontrolling interest |
(2,682)
|
|
(3,474)
|
|
| Deduct: Redemption value adjustment of redeemable noncontrolling interest in Operating Partnership |
(294)
|
|
(1,432)
|
|
| Net income (loss) for diluted earnings per share |
$ (44,471)
|
$ 54,055
|
$ (33,295)
|
$ 123,530
|
| Weighted average common shares |
100,370
|
100,401
|
100,354
|
100,359
|
| Weighted average common unit |
|
|
100,354
|
100,359
|
| Net income (loss) available to common shareholders |
$ (0.44)
|
$ 0.54
|
$ (0.33)
|
$ 1.23
|
| Mack-Cali Realty LP [Member] |
|
|
|
|
| Stockolders Equity [Line Items] |
|
|
|
|
| Net income (loss) available to common shareholders for basic earnings per share |
$ (44,471)
|
$ 54,055
|
$ (33,295)
|
$ 123,530
|
| Deduct: Redeemable noncontrolling interest |
(2,682)
|
|
(3,474)
|
|
| Net income (loss) for diluted earnings per share |
$ (44,471)
|
$ 54,055
|
$ (33,295)
|
$ 123,530
|
| Weighted average common unit |
100,370
|
100,401
|
100,354
|
100,359
|
| Net income (loss) available to common shareholders |
$ (0.44)
|
$ 0.54
|
$ (0.33)
|
$ 1.23
|