Registration statement for securities of certain foreign private issuers

Assets and Liabilities Classified as Held for Sale - Summary of Major Classes of Assets and Liabilities been Classified as Held for Sale (Detail)

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Assets and Liabilities Classified as Held for Sale - Summary of Major Classes of Assets and Liabilities been Classified as Held for Sale (Detail) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Jun. 30, 2020
Dec. 31, 2019
Disclosure of Detailed Information About Assets and Liabilities Classified as Held for Sale [Line Items]        
Cash and cash equivalents $ 42,381 $ 101,757 $ 101,757 $ 214,888
Property, plant and equipment 2,879 1,334   1,801
Right-of-use assets 10,135 2,572   5,229
Assets held for sale 242,587 238,814   288,834
Liabilities directly associated with the assets held for sale $ 184,567 190,455   $ 115,037
Classification of assets as held for sale [member]        
Disclosure of Detailed Information About Assets and Liabilities Classified as Held for Sale [Line Items]        
Cash and cash equivalents   577    
Prepayments and contract assets   1,125    
Property, plant and equipment   621    
Right-of-use assets   629    
Trade and other receivables   330    
Assets held for sale   3,282    
Classification of liabilities as held for sale [member]        
Disclosure of Detailed Information About Assets and Liabilities Classified as Held for Sale [Line Items]        
Accruals and provisions   813    
Lease liabilities   607    
Trade and other payables   402    
Liabilities directly associated with the assets held for sale   $ 1,822