LEASES - Schedule of lease cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease cost	$ 11,095	$ 6,524
Short-term lease cost	2,308	1,940
Variable lease cost	1,659	1,760
Net lease cost	$ 15,062	$ 10,224	$ 9,900