FAIR VALUE MEASUREMENT - Narrative (Details) token in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2026 USD ($) token	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) token	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($) token	Dec. 31, 2023 token
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities without readily determinable fair value, amount	$ 28,900,000		$ 28,900,000		$ 19,200,000
Equity securities without readily determinable fair value, impairment loss	0	$ 0	0	$ 0
Gain on observable price change	0	0	0	0
Loss on observable price change	0	$ 0	0	$ 0
Goodwill, impairment loss	0		0		0
Impairment of indefinite-lived intangible assets	$ 0		$ 0		$ 0
Pyth Tokens | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Crypto asset, number of units, restricted | token	125		125		250	500