Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
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| Significant Accounting Policies [Line Items] | ||||
| Capitalized development and construction salaries and other related costs | $ 600 | $ 400 | $ 1,200 | $ 900 |
| Maximum period after cessation of major construction activity that projects are considered complete | 1 year | |||
| Gain (Loss) from extinguishment of debt, net | $ (46,735) | |||
| Mack-Cali Realty LP [Member] | ||||
| Significant Accounting Policies [Line Items] | ||||
| Gain (Loss) from extinguishment of debt, net | $ (46,735) | $ (46,735) | ||
| X | ||||||||||
- Definition Capitalized Development, Construction Salaries And Other Related Expenses No definition available.
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- Definition Maximum Period After Cessation Of Major Construction Activity That Projects Are Considered Complete No definition available.
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- Definition Significant Accounting Policies [Line Items] No definition available.
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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