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Revenue - Deferred revenue and other income (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Change in Contract with Customer, Asset and Liability [Roll Forward] |  |
Beginning deferred revenue and other income | $ 0 | $ 7,939
Additions | 0 | 1,397
Amount of deferred revenue and other income recognized in the statement of operations | 0 | (8,790)
Foreign currency adjustment | 0 | (546)
Ending deferred revenue and other income | $ 0 | $ 0

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- Definition Change in Contract with Customer, Asset and Liability + References No definition available. + Details
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- Definition Contract with Customer, Liability, Additions + References No definition available. + Details
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-2 + Details
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