LEASES - Other information related to operating leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Other information related to operating leases:
Operating lease cost	$ 3,271	$ 4,008	$ 6,533	$ 7,166
Cash paid for amounts included in the measurement of operating lease liabilities	$ 3,055	$ 3,722	$ 5,979	$ 6,772
Weighted average remaining lease term	6 years 2 months 12 days		6 years 2 months 12 days		6 years 7 months 6 days
Weighted average discount rate	1.85%		1.85%		1.79%