LEASES - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Operating leases
Operating right-of-use assets (long-term)	$ 106,686	$ 115,195
Operating lease liabilities (current)	22,740	21,482
Operating lease liabilities (long-term)	88,835	97,839
Total operating lease liabilities	$ 111,575	$ 119,321
Weighted average remaining lease term (in years)	6 years 10 months 24 days	6 years 8 months 12 days
Weighted average discount rate	2.88%	3.18%
Land and Structures
Operating leases
Operating right-of-use assets (long-term)	$ 106,394	$ 114,908
Operating lease liabilities (current)	22,477	21,207
Operating lease liabilities (long-term)	88,810	97,828
Total operating lease liabilities	111,287	119,035
Equipment and Others
Operating leases
Operating right-of-use assets (long-term)	292	287
Operating lease liabilities (current)	263	275
Operating lease liabilities (long-term)	25	11
Total operating lease liabilities	$ 288	$ 286