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 |
Mar. 31, 2018 |
Mar. 31, 2017 |
| Stockolders Equity [Line Items] |
|
|
| Net income available to common shareholders for basic earnings per share |
$ 40,282
|
$ 10,019
|
| Add (deduct): Noncontrolling interest in Operating Partnership |
4,883
|
2,295
|
| Add (deduct): Redeemable noncontrolling interest |
(2,799)
|
(792)
|
| Add (deduct): Redemption value adjustment of redeemable noncontrolling interests in Operating Partnership unitholders |
(313)
|
(1,138)
|
| Net income available for diluted earnings per share |
$ 44,852
|
$ 11,176
|
| Weighted average common shares |
100,604
|
100,637
|
| Net income available to common shareholders |
$ 0.45
|
$ 0.11
|
| Mack-Cali Realty LP [Member] |
|
|
| Stockolders Equity [Line Items] |
|
|
| Net income available to common shareholders for basic earnings per share |
$ 44,852
|
$ 11,176
|
| Add (deduct): Redeemable noncontrolling interest |
(2,799)
|
(792)
|
| Net income available for diluted earnings per share |
$ 44,852
|
$ 11,176
|
| Weighted average common unit |
100,604
|
100,637
|
| Net income available to common shareholders |
$ 0.45
|
$ 0.11
|