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)

v3.7.0.1
Segment Reporting (Schedule Of Reconciliation Of Net Operating Income To Net Income Available To Common Shareholders) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Segment Reporting Information [Line Items]        
Net operating income [1] $ 57,591 $ 47,427 $ 110,121 $ 90,503
Depreciation and amortization (57,762) (43,459) (105,393) (86,522)
Gain on change of control of interests   5,191   15,347
Realized gains (losses) and unrealized losses on disposition of rental property, net (38,954) 27,117 (33,448) 85,717
Gain on sale of investment in unconsolidated joint venture   5,670 12,563 5,670
Gain (loss) from extinguishment of debt, net   12,420 (239) 12,420
Net income (loss) (39,125) 54,366 (16,396) 123,135
Noncontrolling interest in consolidated joint ventures 181 (311) 418 395
Noncontrolling interest in Operating Partnership 4,296 (5,662) 2,001 (12,946)
Redeemable noncontrolling interest (2,682)   (3,474)  
Net income (loss) available to common shareholders (37,330) 48,393 (17,451) 110,584
Mack-Cali Realty LP [Member]        
Segment Reporting Information [Line Items]        
Net operating income 57,591 47,427 110,121 90,503
Depreciation and amortization (57,762) (43,459) (105,393) (86,522)
Gain on change of control of interests   5,191   15,347
Realized gains (losses) and unrealized losses on disposition of rental property, net (38,954) 27,117 (33,448) 85,717
Gain on sale of investment in unconsolidated joint venture   5,670 12,563 5,670
Gain (loss) from extinguishment of debt, net   12,420 (239) 12,420
Net income (loss) (39,125) 54,366 (16,396) 123,135
Noncontrolling interest in consolidated joint ventures 181 (311) 418 395
Redeemable noncontrolling interest (2,682)   (3,474)  
Net income (loss) available to common shareholders $ (41,626) $ 54,055 $ (19,452) $ 123,530
[1] Net operating income represents total revenues less total operating and interest expenses (as defined in Note "a"), plus equity in earnings (loss) of unconsolidated joint ventures, for the period.