LEASES - Narrative (Details) - USD ($) $ in Thousands	May 01, 2023	Dec. 31, 2023	Dec. 31, 2022
Lessee, Lease, Description [Line Items]
Increase in operating lease right-of-use asset and lease liability	$ 1,300
Lessee, operating lease, discount rate (as a percent)	7.41%
Current operating lease liabilities		$ 928	$ 401
Noncurrent operating lease liabilities		1,470	$ 0
Spectrum
Lessee, Lease, Description [Line Items]
Current operating lease liabilities		800
Noncurrent operating lease liabilities		$ 300