LEASES - Supplemental Balance Sheet Information (Details) $ in Thousands	Sep. 30, 2020 USD ($)
Leases [Abstract]
Weighted average remaining lease term for operating leases (in years)	3 years 9 months 18 days
Weighted average discount rate for operating leases	5.47%
Finance lease right-of-use assets, net of accumulated amortization (included in PP&E) (in thousands)	$ 6,329
Weighted average remaining lease term for finance leases (in years)	11 years 3 months 18 days
Weighted average discount rate for finance leases	4.83%