COLLATERALIZED ARRANGEMENTS AND FINANCING - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit loss against crypto asset loan receivables	$ 0
Crypto asset, fee percentage on borrowings	2.90%	2.40%
Two Customers \| Financing Receivable \| Customer Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percentage (more than)		10.00%
Three Customers \| Financing Receivable \| Customer Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percentage (more than)	10.00%
Three Customers \| Loans Not Meeting Recognition Criteria \| Customer Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percentage (more than)	10.00%	10.00%
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Assets pledged as collateral, percentage of fair value	100.00%	100.00%
Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Assets pledged as collateral, percentage of fair value	300.00%	300.00%

Crypto Asset, Fee on Borrowings

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- Definition

Crypto Asset, Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Current

+ References

No definition available.

+ Details

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- Definition

Customers Assets Pledged as Collateral, Percentage of Fair Value

+ References

No definition available.

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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/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
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-Publisher FASB
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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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