Mack-Cali Realty Corporation Stockholders' Equity And Mack-Cali Realty, L.P.'s Partners' Capital (Long-Term Incentive Plan Awards) (Narrative) (Details)
$ in Millions |
|
|
9 Months Ended |
Mar. 08, 2016 |
Jun. 05, 2015
shares
|
Sep. 30, 2016
USD ($)
item
shares
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Shares granted |
|
800,000
|
|
| Performance Shares [Member] |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Total unrecognized compensation cost | $ |
|
|
$ 0.8
|
| Total unrecognized compensation cost, period of recognition |
|
|
1 year 8 months 12 days
|
| 2016 LTIP Plan Awards [Member] |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Performance period |
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|
3 years
|
| Dividends paid, percent representing common unit of limited partnership interest |
|
|
10.00%
|
| Dividends paid, percent payable upon vesting of LTIP Unit |
|
|
90.00%
|
| Total unrecognized compensation cost | $ |
|
|
$ 7.4
|
| Total unrecognized compensation cost, period of recognition |
|
|
2 years 10 months 24 days
|
| 2016 TBV LTIP Units [Member] |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Shares granted |
|
|
157,617
|
| 2016 OPP [Member] |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| TSR percent |
|
|
50.00%
|
| 2016 PBV LTIP Units [Member] |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Shares granted |
|
|
499,756
|
| Messieur Rudin, Messieur DeMarco, And Messieur Tycher [Member] | 2016 LTIP Plan Awards [Member] | Time-Based Award [Member] |
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|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Percent of the award |
25.00%
|
|
|
| Performance period |
|
|
3 years
|
| Messieur Rudin, Messieur DeMarco, And Messieur Tycher [Member] | 2016 LTIP Plan Awards [Member] | Performance Shares [Member] |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Remaining percent of the award |
75.00%
|
|
|
| Other Executive Officers [Member] | 2016 LTIP Plan Awards [Member] |
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|
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Percent of the award |
40.00%
|
|
|
| Remaining percent of the award |
60.00%
|
|
|
| Executive Officers [Member] | 2016 LTIP Plan Awards [Member] |
|
|
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
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| Number of senior management who received 2016 LTIP awards | item |
|
|
8
|