LEASES - Lease Information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2021
Leases [Abstract]
Operating lease expense	$ 886	$ 1,401
Variable lease expense	175	245
Short-term lease expense	$ 45	$ 25
Weighted average borrowing rate	3.40%	3.40%