Mack-Cali Realty Corporation Stockholders' Equity And Mack-Cali Realty, L.P.'s Partners' Capital (Deferred Stock Compensation Plan For Directors) (Narrative) (Details) - shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Mack-Cali Realty Corporation Stockholders' Equity And Mack-Cali Realty, L.P.'s Partners' Capital [Abstract] | |||
| Maximum percentage of retainer fee that directors may defer | 100.00% | ||
| Deferred stock units earned | 26,620 | 19,728 | 14,274 |
| Deferred stock units outstanding | 236,383 | 210,738 | |
| X | ||||||||||
- Definition Deferred stock units outstanding. No definition available.
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| X | ||||||||||
- Definition Deferred stock units earned. No definition available.
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| X | ||||||||||
- Definition Maximum Percentage Of Retainer Fee Directors May Elect To Defer To Stock Units No definition available.
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| X | ||||||||||
- References No definition available.
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