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Taxation - Disclosure of deferred taxes (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Deferred Tax Assets and Liabilities [Line Items] |  |
Deferred tax liabilities | $ (19,645) | $ (89,765)
UNITED STATES |  |
Deferred Tax Assets and Liabilities [Line Items] |  |
Deferred tax assets | 127,061 | 88,096
Deferred tax liabilities | (53,744) | (105,018)
Deferred tax assets (liabilities), net | 73,317 | (16,922)
Deferred tax liabilities, net, recognized | (19,645) | (89,765)
Deferred tax assets (liabilities), net, not recognized | 92,962 | 72,843
UNITED STATES | Operating tax losses |  |
Deferred Tax Assets and Liabilities [Line Items] |  |
Deferred tax assets | 48,317 | 46,982
UNITED STATES | Tax credits |  |
Deferred Tax Assets and Liabilities [Line Items] |  |
Deferred tax assets | 11,101 | 10,673
UNITED STATES | Share-based payments |  |
Deferred Tax Assets and Liabilities [Line Items] |  |
Deferred tax assets | 8,423 | 7,265
UNITED STATES | Capitalized Research & Experimental Expenditures |  |
Deferred Tax Assets and Liabilities [Line Items] |  |
Deferred tax assets | 36,084 | 0
UNITED STATES | Investment in Associates |  |
Deferred Tax Assets and Liabilities [Line Items] |  |
Deferred tax assets | 13,036 | 11,542
UNITED STATES | Lease Liability |  |
Deferred Tax Assets and Liabilities [Line Items] |  |
Deferred tax assets | 7,143 | 8,969
UNITED STATES | Other temporary differences |  |
Deferred Tax Assets and Liabilities [Line Items] |  |
Deferred tax assets | 2,957 | 2,665
UNITED STATES | Investments held at fair value |  |
Deferred Tax Assets and Liabilities [Line Items] |  |
Deferred tax liabilities | (47,877) | (96,804)
UNITED STATES | ROU asset |  |
Deferred Tax Assets and Liabilities [Line Items] |  |
Deferred tax liabilities | (3,519) | (4,667)
UNITED STATES | Fixed assets |  |
Deferred Tax Assets and Liabilities [Line Items] |  |
Deferred tax liabilities | $ (2,348) | $ (3,547)

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