Noncontrolling Interests In Subsidiaries (Narrative) (Details)
$ in Thousands |
|
|
3 Months Ended |
6 Months Ended |
|
|
|
|
Mar. 26, 2019
USD ($)
|
Jun. 05, 2015
shares
|
Mar. 31, 2019
USD ($)
shares
|
Jun. 30, 2019
USD ($)
property
item
shares
|
Jun. 30, 2018
USD ($)
|
Mar. 25, 2019
item
|
Dec. 31, 2018 |
Dec. 31, 2015
item
|
| Noncontrolling Interest [Line Items] |
|
|
|
|
|
|
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|
| Number of common shares received upon redemption of common units | shares |
|
|
|
1
|
|
|
|
|
| Rebalance of ownership percentage |
|
|
|
$ 200
|
|
|
|
|
| Purchase price of property |
|
|
|
$ 70,577
|
$ 97,085
|
|
|
|
| Shares granted | shares |
|
800,000
|
|
|
|
|
|
|
| Participation Rights [Member] |
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|
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| Noncontrolling Interest [Line Items] |
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| Number of properties | property |
|
|
|
2
|
|
|
|
|
| Excess net cash flow remaining after the distribution to the Company |
|
|
|
50.00%
|
|
|
|
|
| Internal rate of return |
|
|
|
10.00%
|
|
|
|
|
| Mack-Cali Realty LP [Member] |
|
|
|
|
|
|
|
|
| Noncontrolling Interest [Line Items] |
|
|
|
|
|
|
|
|
| Purchase price of property |
|
|
|
$ 70,577
|
$ 97,085
|
|
|
|
| Mack-Cali Realty LP [Member] |
|
|
|
|
|
|
|
|
| Noncontrolling Interest [Line Items] |
|
|
|
|
|
|
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|
| Percentage of noncontrolling interest |
|
|
|
9.90%
|
|
|
10.20%
|
|
| Future Developments [Member] | Participation Rights [Member] |
|
|
|
|
|
|
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|
| Noncontrolling Interest [Line Items] |
|
|
|
|
|
|
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| Number of properties | property |
|
|
|
1
|
|
|
|
|
| Flex Portfolio [Member] |
|
|
|
|
|
|
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| Noncontrolling Interest [Line Items] |
|
|
|
|
|
|
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| Proceeds from sale of properties |
|
|
$ 6,600
|
|
|
|
|
|
| Disposal Group, Not Discontinued Operations [Member] |
|
|
|
|
|
|
|
|
| Noncontrolling Interest [Line Items] |
|
|
|
|
|
|
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| Sales proceeds |
|
|
|
$ 593,436
|
|
|
|
|
| Disposal Group, Not Discontinued Operations [Member] | Flex Portfolio [Member] |
|
|
|
|
|
|
|
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| Noncontrolling Interest [Line Items] |
|
|
|
|
|
|
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| Sales proceeds |
|
|
|
$ 470,348
|
|
|
|
|
| Number of properties disposed | item |
|
|
|
2
|
|
|
|
|
| Proceeds from sale of properties |
|
|
|
$ 6,600
|
|
|
|
|
| Redemption of common units, shares | shares |
|
|
301,638
|
|
|
|
|
|
| XS Hotel Urban Renewal Associates LLC [Member] |
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|
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| Noncontrolling Interest [Line Items] |
|
|
|
|
|
|
|
|
| Percentage of interest in venture |
|
|
|
|
|
90.00%
|
|
90.00%
|
| Number of units | item |
|
|
|
|
|
372
|
|
372
|
| Percentage of additional interest acquired |
10.00%
|
|
|
|
|
|
|
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| Purchase price of property |
$ 5,000
|
|
|
|
|
|
|
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| XS Hotel Urban Renewal Associates LLC, Residence Inn [Member] |
|
|
|
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| Noncontrolling Interest [Line Items] |
|
|
|
|
|
|
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|
| Number of units | item |
|
|
|
|
|
164
|
|
164
|
| XS Hotel Urban Renewal Associates LLC, Marriott Envue [Member] |
|
|
|
|
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|
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| Noncontrolling Interest [Line Items] |
|
|
|
|
|
|
|
|
| Number of units | item |
|
|
|
|
|
208
|
|
208
|
| AO LTIP Units Award [Member] | Messr DeMarco, CEO [Member] |
|
|
|
|
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| Noncontrolling Interest [Line Items] |
|
|
|
|
|
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| Shares granted | shares |
|
|
|
625,000
|
|
|
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|