Mack-Cali Realty Corporation Stockholders' Equity And Mack-Cali Realty, L.P.'s Partners' Capital (Schedule Of General Partner Capital) (Details) - USD ($)
$ in Thousands |
3 Months Ended |
9 Months Ended |
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
| Investment Company, Financial Highlights [Line Items] |
|
|
|
|
| Balance |
|
|
$ 1,493,699
|
|
| Common unit distributions |
|
$ (2,360)
|
(3,509)
|
$ (6,417)
|
| Redeemable noncontrolling interests |
$ (6,471)
|
(6,471)
|
(19,413)
|
(16,144)
|
| Redemption of common units for common stock |
|
|
|
|
| Redemption of common units, value |
(29)
|
(65)
|
(2,170)
|
(6,695)
|
| Directors' deferred compensation plan |
76
|
81
|
215
|
238
|
| Other comprehensive income (loss) |
|
(878)
|
(16)
|
(9,953)
|
| Balance |
1,336,120
|
|
1,336,120
|
|
| General Partner Common Unitholders [Member] |
|
|
|
|
| Investment Company, Financial Highlights [Line Items] |
|
|
|
|
| Balance |
1,399,033
|
1,645,587
|
1,493,699
|
1,486,658
|
| Net income (loss) available to common shareholders |
42,208
|
55,928
|
117,019
|
(166,513)
|
| Common unit distributions |
(18,142)
|
(18,106)
|
(36,261)
|
(54,282)
|
| Redeemable noncontrolling interests |
(2,167)
|
(3,025)
|
(7,207)
|
(22,936)
|
| Change in noncontrolling interests in consolidated joint ventures |
|
|
|
(1,958)
|
| Redemption of common units for common stock |
|
|
|
705
|
| Redemption of common units, value |
|
|
|
(1,665)
|
| Shares issued under Dividend Reinvestment and Stock Purchase Plan |
9
|
10
|
39
|
31
|
| Directors' deferred compensation plan |
76
|
81
|
215
|
238
|
| Stock compensation |
394
|
7
|
1,158
|
490
|
| Cancellation of unvested LTIP units |
|
|
|
2,819
|
| Other comprehensive income (loss) |
|
(791)
|
18
|
(8,993)
|
| Rebalancing of ownership percentage between parent and subsidiaries |
(875)
|
1,426
|
1,478
|
1,641
|
| Balance |
$ 1,336,120
|
$ 1,569,261
|
$ 1,336,120
|
$ 1,569,261
|