INCOME TAXES - Summary of Operating and Capital Loss Carryforwards and Tax Credits (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Singapore
Operating Loss And Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	$ 91,924	$ 70,815
U.K.
Operating Loss And Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	216,928	293,533
Tax credits	504	2,605
U.K. | Capital loss carryforward
Operating Loss And Tax Credit Carryforwards [Line Items]
Capital loss carryforwards	93	0
Ireland
Operating Loss And Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	27	78,154
Tax credits	333	6,922
Ireland | Capital loss carryforward
Operating Loss And Tax Credit Carryforwards [Line Items]
Capital loss carryforwards	1,372	716
Switzerland
Operating Loss And Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	68,573	123,453
U.S.
Operating Loss And Tax Credit Carryforwards [Line Items]
Tax credits	1,577	2,074
U.S. | Capital loss carryforward
Operating Loss And Tax Credit Carryforwards [Line Items]
Capital loss carryforwards	$ 59,434	$ 0