DERIVATIVES - Schedule of gains (losses) recorded in income (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Not designated as hedging instruments
Derivative [Line Items]
Derivatives	$ 17,890	$ (195,096)	$ (66,053)	$ 176,347
Hedged Items	(5,578)	207,035	91,846	(166,567)
Income Statement Impact	12,312	11,939	25,793	9,780
Crypto asset borrowings with embedded derivatives \| Designated as fair value hedging instruments
Derivative [Line Items]
Derivatives	12,707	(211,110)	(75,848)	148,959
Hedged Items	(4,247)	207,112	44,686	(154,228)
Income Statement Impact	8,460	(3,998)	(31,162)	(5,269)
Crypto asset borrowings with embedded derivatives \| Not designated as hedging instruments
Derivative [Line Items]
Derivatives	(30)	0	166	6,626
Hedged Items	0	0	0	0
Income Statement Impact	(30)	0	166	6,626
Crypto asset futures \| Designated as fair value hedging instruments
Derivative [Line Items]
Derivatives	1,329	225	(41,782)	13,237
Hedged Items	(1,331)	(77)	47,160	(12,339)
Income Statement Impact	(2)	148	5,378	898
Crypto asset futures \| Not designated as hedging instruments
Derivative [Line Items]
Derivatives	558	(566)	960	(1,077)
Hedged Items	0	0	0	0
Income Statement Impact	558	(566)	960	(1,077)
Accounts receivable denominated in crypto assets \| Not designated as hedging instruments
Derivative [Line Items]
Derivatives	(8,466)	(4,213)	38,614	(14,476)
Hedged Items	0	0	0	0
Income Statement Impact	(8,466)	(4,213)	38,614	(14,476)
Other payables denominated in crypto assets \| Not designated as hedging instruments
Derivative [Line Items]
Derivatives	6,337	(2,367)	7,181	143
Hedged Items	0	0	0	0
Income Statement Impact	6,337	(2,367)	7,181	143
Foreign currency forward contracts \| Not designated as hedging instruments
Derivative [Line Items]
Derivatives	0	22,935	0	22,935
Hedged Items	0	0	0	0
Income Statement Impact	0	22,935	0	22,935
Crypto assets pledged as collateral \| Not designated as hedging instruments
Derivative [Line Items]
Derivatives	196	0
Hedged Items	0	0
Income Statement Impact	196	0
Other \| Not designated as hedging instruments
Derivative [Line Items]
Derivatives	5,259	0	4,656	0
Hedged Items	0	0	0	0
Income Statement Impact	$ 5,259	$ 0	$ 4,656	$ 0

Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 815
-SubTopic 25
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-Publisher FASB
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Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

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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
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Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

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