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Computer hardware prepayments - Non-current assets (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Jun. 30, 2023
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Computer Hardware Prepayments [Abstract] |  |
Mining hardware prepayment | $ 239,841 | $ 68

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- Definition The amount of non-current prepayments. [Refer: Prepayments] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 78 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_78_b&doctype=Standard -URIDate 2024-03-27 + Details
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Balance Type: | debit
Period Type: | instant

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- Definition Mining hardware prepayments [Abstract] + References No definition available. + Details
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Namespace Prefix: | iren_
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Balance Type: | na
Period Type: | duration