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STOCKHOLDERS' DEFICIT - Awards granted (Details) $ in Millions			3 Months Ended				6 Months Ended
	Feb. 19, 2026 USD ($) shares	Feb. 19, 2025 shares	Jun. 30, 2026 USD ($) tranche item	Mar. 31, 2026 shares	Jun. 30, 2025 USD ($)	Mar. 31, 2025 shares	Jun. 30, 2026 USD ($) item tranche shares	Jun. 30, 2025 USD ($)
STOCKHOLDERS' EQUITY
Stock-based compensation expense \| $			$ 3.3		$ 6.0		$ 10.6	$ 11.7
Board of Director
STOCKHOLDERS' EQUITY
Stock-based compensation expense \| $							$ 1.1	1.3
Restricted stock unit
STOCKHOLDERS' EQUITY
Shares vested							942,900
Stock-based compensation expense \| $			$ 1.5		$ 3.6		$ 2.9	6.2
Performance Vesting
STOCKHOLDERS' EQUITY
Shares vested							119,307
Performance Vesting \| Members of management and executive officers
STOCKHOLDERS' EQUITY
Number of tranches \| tranche			3				3
Number of performance targets \| item			3				3
Duration of strategic initiatives							2 years
Performance Vesting \| Members of management and executive officers \| Minimum
STOCKHOLDERS' EQUITY
PSUs vesting as a percentage of performance target							80.00%
Percentage of performance target							50.00%
Number of strategic initiatives vesting of second tranche \| item							4
Performance Vesting \| Members of management and executive officers \| Maximum
STOCKHOLDERS' EQUITY
PSUs vesting as a percentage of performance target							120.00%
Percentage of performance target							200.00%
Number of strategic initiatives vesting of second tranche \| item							10
Special award
STOCKHOLDERS' EQUITY
Shares vested	3,778,642	270,093
Expected performance target to be achieved (as a percent)	200.00%	146.00%
Stock-based compensation expense \| $							$ 4.6	$ 1.0
Cash settled units
STOCKHOLDERS' EQUITY
Shares vested		4,181
Equity settled units
STOCKHOLDERS' EQUITY
Shares vested		265,912
2024 Equity Incentive Plan
STOCKHOLDERS' EQUITY
Conversion ratio of share based payment awards into common stock	1
2024 Equity Incentive Plan \| Restricted stock unit \| Members of management
STOCKHOLDERS' EQUITY
Vesting period (in years)							3 years
Vesting rights percentage							33.00%
Number of days from the termination of service for settlement of fully vested units							30 days
Class A common stock \| Board of Director
STOCKHOLDERS' EQUITY
Shares awarded	869,571			869,571		370,586
Grant date fair value (in dollars) \| $	$ 1.1