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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

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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(3) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
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