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LEASES - Operating and finance leases liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Lessee, Lease, Description [Line Items] |  |
Operating Leases | $ 20,513 | $ 28,463
Finance Leases | $ 823 | $ 1,485
Operating Lease, Liability, Statement of Financial Position [Extensible List] | us-gaap:AccruedLiabilitiesMember us-gaap:OtherLiabilitiesMember | us-gaap:AccruedLiabilitiesMember us-gaap:OtherLiabilitiesMember
Accrued liabilities |  |
Lessee, Lease, Description [Line Items] |  |
Operating Leases | $ 3,171 | $ 2,812
Finance Leases | 799 | 1,485
Other Liabilities |  |
Lessee, Lease, Description [Line Items] |  |
Operating Leases | 17,342 | $ 25,651
Finance Leases | $ 24 |

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Indicates line item in statement of financial position that includes operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918631-209977 + Details
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- Details
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