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INCOME TAXES - Summary of Operating and Capital Loss Carryforwards and Tax Credits (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Singapore |  |
Operating Loss And Tax Credit Carryforwards [Line Items] |  |
Operating loss carryforwards | $ 73,769 | $ 76,287
U.K. |  |
Operating Loss And Tax Credit Carryforwards [Line Items] |  |
Operating loss carryforwards | 415,274 | 308,491
Tax credits | 2,372 | 2,372
Ireland |  |
Operating Loss And Tax Credit Carryforwards [Line Items] |  |
Operating loss carryforwards | 200,822 | 11,850
Tax credits | 655 | 338
Ireland | Capital loss carryforward |  |
Operating Loss And Tax Credit Carryforwards [Line Items] |  |
Capital loss carryforwards | 716 | 716
Switzerland |  |
Operating Loss And Tax Credit Carryforwards [Line Items] |  |
Operating loss carryforwards | 187,057 | 15,989
Switzerland | Tax Carry Forward Expiry 2028 |  |
Operating Loss And Tax Credit Carryforwards [Line Items] |  |
Operating loss carryforwards | 15,989 |
Switzerland | Tax Credit Carryforward Expiry 2029 |  |
Operating Loss And Tax Credit Carryforwards [Line Items] |  |
Operating loss carryforwards | 171,068 |
U.S. |  |
Operating Loss And Tax Credit Carryforwards [Line Items] |  |
Tax credits | $ 4,592 | $ 0

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