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v3.20.4

Consolidated Statements of Cash Flows (Parentheticals) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Liability for real estate additions | $ 4,955 | $ 3,191 | $ 631
Vornado |  |  |
Liability for real estate additions | $ 489 | $ 18 | $ 125

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- Definition Non-cash additions to real estate included in accounts payable and accrued expenses. + References No definition available. + Details
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Namespace Prefix: | alx_
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Balance Type: | debit
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |