EQUITY BASED COMPENSATION - Schedule of the Activity Related to Restricted Stock During the Respective Periods (Details) - Restricted Stock - Galaxy Digital Holdings, LP - $ / shares	3 Months Ended	12 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Number of Options
Beginning balance (in shares)	0	281,808	281,808	1,643,590	1,925,399
Vested (in shares)	0	(281,808)	(281,808)	(736,782)	(281,809)
Forfeited (in shares)	0	0	0	(625,000)
Ending balance (in shares)	0		0	281,808	1,643,590
Weighted Average Exercise Price (C$)
Beginning balance (in cad per share)	$ 0	$ 19.11	$ 19.11	$ 10.07	$ 11,390
Vested (in cad per share)	0	19.11	19.11	10.61	19.11
Forfeited (in cad per share)	0	$ 0	0	5.35
Ending balance (in cad per shares)	$ 0		$ 0	$ 19.11	$ 10.07

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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