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 |
9 Months Ended |
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
| Stockolders Equity [Line Items] |
|
|
|
|
| Net income (loss) |
$ (76,384)
|
$ (54,464)
|
$ (151,209)
|
$ 190,423
|
| Add (deduct): Noncontrolling interests in consolidated joint ventures |
895
|
405
|
1,900
|
2,500
|
| Add (deduct): Noncontrolling interests in Operating Partnership |
7,874
|
6,005
|
16,166
|
(18,191)
|
| Add (deduct): Redeemable noncontrolling interests |
(6,471)
|
(6,471)
|
(19,413)
|
(16,144)
|
| Add (deduct): Redemption value adjustment of redeemable noncontrolling interests attributable to common shareholders |
(2,167)
|
(3,025)
|
(7,207)
|
(22,936)
|
| Income (loss) from continuing operations available to common shareholders |
(76,253)
|
(57,550)
|
(159,763)
|
135,652
|
| Income (loss) from discontinued operations available to common shareholders |
31,878
|
(1,403)
|
35,537
|
7,925
|
| Net income (loss) available to common shareholders for basic earnings per share |
$ (44,375)
|
$ (58,953)
|
$ (124,226)
|
$ 143,577
|
| Weighted average common shares |
90,671
|
90,584
|
90,639
|
90,539
|
| Income (loss) from continuing operations available to common shareholders |
$ (0.84)
|
$ (0.63)
|
$ (1.76)
|
$ 1.50
|
| Income (loss) from discontinued operations available to common shareholders |
0.35
|
(0.02)
|
0.39
|
0.09
|
| Net income (loss) available to common shareholders |
$ (0.49)
|
$ (0.65)
|
$ (1.37)
|
$ 1.59
|
| Mack-Cali Realty LP [Member] |
|
|
|
|
| Stockolders Equity [Line Items] |
|
|
|
|
| Net income (loss) |
$ (76,384)
|
$ (54,464)
|
$ (151,209)
|
$ 190,423
|
| Add (deduct): Noncontrolling interests in consolidated joint ventures |
895
|
405
|
1,900
|
2,500
|
| Add (deduct): Redeemable noncontrolling interests |
(6,471)
|
(6,471)
|
(19,413)
|
(16,144)
|
| Add (deduct): Redemption value adjustment of redeemable noncontrolling interests attributable to common shareholders |
(2,397)
|
(3,359)
|
(7,970)
|
(25,477)
|
| Income (loss) from continuing operations available to common shareholders |
(84,357)
|
(63,889)
|
(176,692)
|
151,302
|
| Income (loss) from discontinued operations available to common shareholders |
35,266
|
(1,557)
|
39,313
|
8,821
|
| Net income (loss) available to common shareholders for basic earnings per share |
$ (49,091)
|
$ (65,446)
|
$ (137,379)
|
$ 160,123
|
| Weighted average common units |
100,307
|
100,560
|
100,235
|
100,607
|
| Income (loss) from continuing operations available to common shareholders |
$ (0.84)
|
$ (0.63)
|
$ (1.76)
|
$ 1.50
|
| Income (loss) from discontinued operations available to common shareholders |
0.35
|
(0.02)
|
0.39
|
0.09
|
| Net income (loss) available to common shareholders |
$ (0.49)
|
$ (0.65)
|
$ (1.37)
|
$ 1.59
|