Mack-Cali Realty Corporation Stockholders' Equity And Mack-Cali Realty, L.P.'s Partners' Capital (Earnings Per Share Tables - Basic Computation Of EPS) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended |
Mar. 31, 2019 |
Mar. 31, 2018 |
| Stockolders Equity [Line Items] |
|
|
| Net income |
$ 275,594
|
$ 50,688
|
| Add (deduct): Noncontrolling interests in consolidated joint ventures |
1,248
|
30
|
| Add (deduct): Noncontrolling interests in Operating Partnership |
(27,680)
|
(4,883)
|
| Add (deduct): Redeemable noncontrolling interests |
(4,667)
|
(2,799)
|
| Add (deduct): Redemption value adjustment of redeemable noncontrolling interests attributable to common shareholders |
(3,152)
|
(2,754)
|
| Net income available to common shareholders for basic earnings per share |
$ 241,343
|
$ 40,282
|
| Weighted average common shares |
90,498
|
90,263
|
| Net income available to common shareholders |
$ 2.67
|
$ 0.45
|
| Mack-Cali Realty LP [Member] |
|
|
| Stockolders Equity [Line Items] |
|
|
| Net income |
$ 275,594
|
$ 50,688
|
| Add (deduct): Noncontrolling interests in consolidated joint ventures |
1,248
|
30
|
| Add (deduct): Redeemable noncontrolling interests |
(4,667)
|
(2,799)
|
| Add (deduct): Redemption value adjustment of redeemable noncontrolling interests attributable to common shareholders |
(3,509)
|
(3,067)
|
| Net income available to common shareholders for basic earnings per share |
$ 268,666
|
$ 44,852
|
| Weighted average common units |
100,740
|
100,505
|
| Net income available to common shareholders |
$ 2.67
|
$ 0.45
|