Commitments And Contingencies (Changes In Executive Officers) (Narrative) (Details) - USD ($)
|
|
12 Months Ended |
Mar. 31, 2018 |
Dec. 31, 2017 |
| Messr Krug [Member] | Maximum [Member] |
|
|
| Commitments And Contingencies [Line Items] |
|
|
| Period for continuation of health insurance |
|
2 years
|
| Messr Krug [Member] | Scenario, Forecast [Member] |
|
|
| Commitments And Contingencies [Line Items] |
|
|
| Severance benefits |
$ 1,312,500
|
|
| Prorated 2018 target bonus amount |
93,750
|
|
| Messr Krug [Member] | Scenario, Forecast [Member] | Maximum [Member] |
|
|
| Commitments And Contingencies [Line Items] |
|
|
| COBRA payment |
42,000
|
|
| Messr DeLorenzo [Member] | Maximum [Member] |
|
|
| Commitments And Contingencies [Line Items] |
|
|
| Period for continuation of health insurance |
|
18 months
|
| Messr DeLorenzo [Member] | Scenario, Forecast [Member] |
|
|
| Commitments And Contingencies [Line Items] |
|
|
| Severance benefits |
$ 500,000
|
|
| Messr DeLorenzo [Member] | Scenario, Forecast [Member] | Mack-Cali Realty LP [Member] |
|
|
| Commitments And Contingencies [Line Items] |
|
|
| Partial accelerated vesting shares |
9,111
|
|
| Messr DeLorenzo [Member] | Scenario, Forecast [Member] | Maximum [Member] |
|
|
| Commitments And Contingencies [Line Items] |
|
|
| COBRA payment |
$ 42,000
|
|
| Time-Based Award [Member] | Messr Krug [Member] | Scenario, Forecast [Member] | Mack-Cali Realty LP [Member] |
|
|
| Commitments And Contingencies [Line Items] |
|
|
| Accelerated vesting shares |
13,306
|
|
| Performance Shares [Member] | Messr Krug [Member] | Scenario, Forecast [Member] | Mack-Cali Realty LP [Member] |
|
|
| Commitments And Contingencies [Line Items] |
|
|
| Accelerated vesting shares |
18,665
|
|
| Performance Shares [Member] | Messr DeLorenzo [Member] | Scenario, Forecast [Member] | Mack-Cali Realty LP [Member] |
|
|
| Commitments And Contingencies [Line Items] |
|
|
| Partial accelerated vesting shares |
13,982
|
|