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Leases - Schedule of future minimum lease payments under operating and finance lease arrangements (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Finance lease |  |
2021/2022 | $ 20,008 | $ 19,584
2022/2023 | 10,178 | 17,165
2023/2024 | 5,105 | 10,081
2024/2025 | 2,062 | 3,876
2025/2026 | 34 | 1,000
Thereafter | 0 | 0
Total lease payments | 37,387 | 51,706
Less: Imputed interest | 2,541 | 2,682
Total lease liabilities | 34,846 | 49,024
Operating lease |  |
2021/2022 | 80,226 | 78,148
2022/2023 | 73,374 | 75,288
2023/2024 | 62,132 | 66,790
2024/2025 | 64,383 | 56,013
2025/2026 | 37,131 | 43,696
Thereafter | 66,004 | 117,580
Total lease payments | 383,250 | 437,515
Less: Imputed interest | 73,952 | 91,673
Total lease liabilities | $ 309,298 | $ 345,842

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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=123408670&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=123391704&loc=SL77918627-209977 + Details
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