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EQUITY-BASED COMPENSATION - Performance Share Units (Details) - Performance share units $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
EQUITY-BASED COMPENSATION
Share based compensation arrangement Performance period			2 years
Share based compensation arrangement performance measurement period			6 months
Share based compensation arrangement cliff vesting period			2 years
Grant date fair value of PSUs			$ 14.0		$ 5.4	$ 5.2
Compensation expense	$ 4.5	$ (0.2)	7.3	$ 0.3
Unrecognized compensation expense	$ 17.2		$ 17.2
Weighted-average remaining life			2 years 4 months 24 days
Class A common stock
EQUITY-BASED COMPENSATION
Percentage of Target PSUs that can be earned			1
Class A common stock \| Minimum
EQUITY-BASED COMPENSATION
Number of times shares issued for each performance share settlement			0
Class A common stock \| Maximum
EQUITY-BASED COMPENSATION
Number of times shares issued for each performance share settlement			2
Relative TSR greater than or equal to 80%
EQUITY-BASED COMPENSATION
Absolute TSR between 0% and 15%			200.00%
Absolute TSR greater than 15%			200.00%
Absolute TSR less than 0%			100.00%
Relative TSR 55%
EQUITY-BASED COMPENSATION
Absolute TSR between 0% and 15%			100.00%
Absolute TSR greater than 15%			100.00%
Absolute TSR less than 0%			100.00%
Relative TSR 25%
EQUITY-BASED COMPENSATION
Absolute TSR between 0% and 15%			50.00%
Absolute TSR greater than 15%			50.00%
Absolute TSR less than 0%			50.00%
Relative TSR less than 25%
EQUITY-BASED COMPENSATION
Absolute TSR between 0% and 15%			0.00%
Absolute TSR greater than 15%			50.00%
Absolute TSR less than 0%			0.00%