LEASES - NARRATIVE (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Lessee, Lease, Description [Line Items]
Operating lease expense	$ 2.6	$ 2.1
Variable lease costs and short-term lease costs	1.7	0.0
Cash paid for amounts included in the measurement of lease liabilities	$ 2.2	$ 2.4
Weighted-average remaining lease term (years)	9 years 10 months 24 days	3 years 2 months 12 days
Weighted-average discount rate	10.80%	15.50%
Maximum
Lessee, Lease, Description [Line Items]
Initial lease term (in years)	5 years