EQUITY-BASED COMPENSATION - Schedule of Stock Option Activity (Details)			9 Months Ended		12 Months Ended
	Aug. 15, 2025	Jun. 14, 2024	Sep. 30, 2025 $ / shares shares	Sep. 30, 2024 $ / shares shares	Dec. 31, 2024 $ / shares shares	Dec. 31, 2023 $ / shares shares
Shares(1)
Outstanding, beginning balance (in shares) | shares			2,103	744	744
Granted (in shares) | shares			0	1,408
Exercised (in shares) | shares			0	0
Forfeited (in shares) | shares			0	49
Expired (in shares) | shares			0	0
Outstanding, ending balance (in shares) | shares			2,103	2,103	2,103	744
Exercisable (in shares) | shares			1,951	606
Weighted-Average Exercise Price(1)
Weighted-average exercise price, beginning balance (in dollar per share) | $ / shares			$ 1,001.25	$ 2,853.6	$ 2,853.6
Granted, weighted-average exercise price (in dollar per share) | $ / shares			0	45.30
Exercised, weighted-average exercise price (in dollar per share) | $ / shares
Forfeited, weighted-average exercise price (in dollar per share) | $ / shares
Expired, weighted-average exercise price (in dollar per share) | $ / shares
Weighted-average exercise price, ending balance (in dollar per share) | $ / shares			996.13	1,001.25	$ 1,001.25	$ 2,853.6
Exercisable, weighted-average exercise price (in dollar per share) | $ / shares			$ 1,052.68	$ 3,097.2
Weighted-Average Remaining Contractual Term (in years) and Aggregate Intrinsic Value
Outstanding, weighted-average remaining contractual term			7 years 5 months 15 days	8 years 5 months 12 days	8 years 2 months 12 days	7 years 3 months 3 days
Exercisable, weighted-average remaining contractual term			7 years 4 months 28 days	6 years 4 months 28 days
Conversion ratio	0.0667	0.1250