LEASES - Lease Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
LEASES
Short-term lease cost	$ 235	$ 189
Operating lease cost	93,215	85,426
Total lease expense	$ 93,450	$ 85,615
Weighted-average remaining lease term - operating leases	5 years 6 months	3 years 9 months 18 days
Weighted-average discount rate - operating leases	3.63%	3.93%
Operating cash flows for operating leases	$ 92,032	$ 84,673