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DERIVATIVES - Collateral Payable Associated With Derivative Positions (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Derivative [Line Items] |  |
Assets posted as collateral associated with derivatives | $ 0 | $ 17,375
Galaxy Digital Holdings, LP |  |
Derivative [Line Items] |  |
Collateral payable associated with derivatives | 61,060 | 20,888
Collateral payable — Digital assets |  |
Derivative [Line Items] |  |
Assets posted as collateral associated with derivatives | 0 | 15,284
Collateral payable — Digital assets | Galaxy Digital Holdings, LP |  |
Derivative [Line Items] |  |
Collateral payable associated with derivatives | 30,600 | 9,521
Collateral payable — Cash |  |
Derivative [Line Items] |  |
Assets posted as collateral associated with derivatives | 0 | 2,091
Collateral payable — Cash | Galaxy Digital Holdings, LP |  |
Derivative [Line Items] |  |
Collateral payable associated with derivatives | $ 30,460 | $ 11,367

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- Definition Fair value of securities received as collateral against derivative assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-12 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
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