Tenant Leases (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||
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Dec. 31, 2017 | ||||||||||||||||||||||||||||||||||
| Leases [Line Items] | ||||||||||||||||||||||||||||||||||
| Future Minimum Rentals To Be Received Under Non-Cancelable Operating Leases |
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| Mack-Cali Realty LP [Member] | ||||||||||||||||||||||||||||||||||
| Leases [Line Items] | ||||||||||||||||||||||||||||||||||
| Future Minimum Rentals To Be Received Under Non-Cancelable Operating Leases |
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| X | ||||||||||
- Definition Leases [Line Items] No definition available.
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| X | ||||||||||
- Definition Schedule Of Future Minimum Rentals Under Non-cancelable Operating Lease [Text Block] No definition available.
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| X | ||||||||||
- Details
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