Quarterly report pursuant to Section 13 or 15(d)

Segment Reporting (Schedule Of Reconciliation Of Net Operating Income To Net Income Available To Common Shareholders) (Details)

v3.20.1
Segment Reporting (Schedule Of Reconciliation Of Net Operating Income To Net Income Available To Common Shareholders) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Segment Reporting Information [Line Items]    
Net operating income $ 10,070 $ 14,787
Depreciation and amortization (33,796) (31,534)
Land and other Impairments (5,263)  
Gain on change of control of interests   13,790
Realized gains (losses) and unrealized losses on disposition of rental property, net (7,915) 268,109
Gain on disposition of developable land 4,813  
Gain on sale of investment in unconsolidated joint venture   903
Gain from extinguishment of debt, net   1,311
Income (loss) from continuing operations (32,091) 267,366
Income from discontinued operations 21,993 8,228
Realized gains (losses) and unrealized losses on disposition of rental property and impairments, net (27,746)  
Total discontinued operations, net (5,753) 8,228
Net income (loss) (37,844) 275,594
Noncontrolling interests in consolidated joint ventures 176 1,248
Noncontrolling interests in Operating Partnership 3,666 (26,843)
Noncontrolling interest in discontinued operations 549 (837)
Redeemable noncontrolling interests (6,471) (4,667)
Net income (loss) available to common shareholders (39,924) 244,495
Mack-Cali Realty LP [Member]    
Segment Reporting Information [Line Items]    
Net operating income 10,070 14,787
Depreciation and amortization (33,796) (31,534)
Land and other Impairments (5,263)  
Gain on change of control of interests   13,790
Realized gains (losses) and unrealized losses on disposition of rental property, net (7,915) 268,109
Gain on disposition of developable land 4,813  
Gain on sale of investment in unconsolidated joint venture   903
Gain from extinguishment of debt, net   1,311
Income (loss) from continuing operations (32,091) 267,366
Income from discontinued operations 21,993 8,228
Realized gains (losses) and unrealized losses on disposition of rental property and impairments, net (27,746)  
Total discontinued operations, net (5,753) 8,228
Net income (loss) (37,844) 275,594
Noncontrolling interests in consolidated joint ventures 176 1,248
Redeemable noncontrolling interests (6,471) (4,667)
Net income (loss) available to common shareholders $ (44,139) $ 272,175