FAIR VALUE OF FINANCIAL INSTRUMENTS - Additional Information (Details) canton_Coin in Millions, $ in Millions	3 Months Ended	6 Months Ended
Dec. 31, 2025 USD ($) canton_Coin	Dec. 31, 2025 USD ($)	Jun. 30, 2025 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying amount of non-marketable securities	$ 67.4	$ 67.4	$ 60.5
Digital Asset loan receivable, net	50.3	50.3
Unrealized gain relating to level 3 assets totaling	57.2	58.4
Realized gain relating to level 3 assets totaling	$ 136.5	182.4
Tharimmune, Inc
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Subscription agreement, consideration, digital assets, amount \| canton_Coin	342
Crypto asset, fair value	$ 53.1	$ 53.1
Subscription agreement, ownership interest, percentage	8.00%	8.00%
Canton Coins
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Digital Asset loan receivable, net	$ 50.3	$ 50.3
Unrealized loss on digital asset	$ 2.4	$ 2.4

Crypto Asset, Loan Receivable, Fair Value, Current

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Crypto Asset, Loan Receivable, Unrealized Loss

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Subscription Agreement, Consideration, Digital Assets, Amount

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Fair value of crypto asset. Excludes crypto asset held for platform user.

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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.

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