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v3.25.4

COMMITMENTS AND CONTINGENCIES - Insurance Recovery (Details) $ in Millions | Dec. 31, 2025 USD ($) facility
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COMMITMENTS AND CONTINGENCIES |
Number of self-storage units under development | facility | 1
Future milestone payments | $ | $ 1.8

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- Definition Future milestone payments. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Number of self-storage units under development. + References No definition available. + Details
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Namespace Prefix: | cube_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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