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STOCK BASED COMPENSATION EXPENSE - Equity incentive plans (Details) - USD ($) $ in Millions			6 Months Ended
	Mar. 31, 2025	Feb. 13, 2025	Jun. 30, 2025	Dec. 31, 2024
STOCK BASED COMPENSATION EXPENSE
Number of shares authorized			8,692,379
Number of shares granted or issued			7,329,784
Shares available for issuance			1,362,595
Shares of common stock subject to outstanding awards			76,779,859
2007 Plan
STOCK BASED COMPENSATION EXPENSE
Expiration period			10 years
2024 Plan \| Restricted Stock Units
STOCK BASED COMPENSATION EXPENSE
Granted	620,934	724,646
Aggregate fair value on grant date	$ 4.6	$ 12.9
Vesting period	3 years
2024 Plan \| Restricted Stock Units \| Minimum
STOCK BASED COMPENSATION EXPENSE
Vesting period		1 year
2024 Plan \| Restricted Stock Units \| Maximum
STOCK BASED COMPENSATION EXPENSE
Vesting period		3 years
2024 Plan \| Time-based restricted stock units (RSUs)
STOCK BASED COMPENSATION EXPENSE
Granted			1,338,811
2024 Plan \| Time-based restricted stock units (RSUs) \| Minimum
STOCK BASED COMPENSATION EXPENSE
Vesting period			1 year
2024 Plan \| Time-based restricted stock units (RSUs) \| Maximum
STOCK BASED COMPENSATION EXPENSE
Vesting period			3 years
2007 and 2017 Stock Plans
STOCK BASED COMPENSATION EXPENSE
Number of shares granted or issued				5,980,204