LEASES - Other information related to operating leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other information related to operating leases:
Operating lease cost	$ 12,801	$ 11,428	$ 14,341
Cash paid for amounts included in the measurement of operating lease liabilities	$ 12,560	$ 10,574	$ 13,975
Weighted average remaining lease term	5 years	5 years 10 months 24 days
Weighted average discount rate	2.34%	2.03%