FAIR VALUE MEASUREMENTS - Schedule of Derivative Assets and Liability Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Digital assets	$ 241,355	$ 23,893	$ 0	$ 2,284
Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Digital assets	241,355	23,893
Total assets measured at fair value on a recurring basis	691,266	856,106
Total liabilities measured at fair value on a recurring basis	1,333,072	1,101,557
Fair Value, Recurring | Derivative Financial Instruments, Liabilities | Contingent value rights
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities	2,589	4,272
Fair Value, Recurring | Derivative Financial Instruments, Liabilities | Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities	1,330,483	1,097,285
Fair Value, Recurring | Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	449,911	832,213
Fair Value, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Digital assets	241,355	23,893
Total assets measured at fair value on a recurring basis	691,266	856,106
Total liabilities measured at fair value on a recurring basis	1,333,072	1,101,557
Fair Value, Recurring | Level 1 | Derivative Financial Instruments, Liabilities | Contingent value rights
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities	2,589	4,272
Fair Value, Recurring | Level 1 | Derivative Financial Instruments, Liabilities | Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities	1,330,483	1,097,285
Fair Value, Recurring | Level 1 | Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	449,911	832,213
Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Digital assets	0	0
Total assets measured at fair value on a recurring basis	0	0
Total liabilities measured at fair value on a recurring basis	0	0
Fair Value, Recurring | Level 2 | Derivative Financial Instruments, Liabilities | Contingent value rights
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities	0	0
Fair Value, Recurring | Level 2 | Derivative Financial Instruments, Liabilities | Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities	0	0
Fair Value, Recurring | Level 2 | Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	0	0
Fair Value, Recurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Digital assets	0	0
Total assets measured at fair value on a recurring basis	0	0
Total liabilities measured at fair value on a recurring basis	0	0
Fair Value, Recurring | Level 3 | Derivative Financial Instruments, Liabilities | Contingent value rights
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities	0	0
Fair Value, Recurring | Level 3 | Derivative Financial Instruments, Liabilities | Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities	0	0
Fair Value, Recurring | Level 3 | Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 0	$ 0