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Business combinations - Summary of Intangible Assets Acquired Comprises (Detail) - Work Area [Member]
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
Customer relationship  
Disclosure of transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [line items]  
Estimated Fair Value in thousands of U.S. dollars $ 6,780
Estimated useful life in years 8 years
Software  
Disclosure of transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [line items]  
Estimated Fair Value in thousands of U.S. dollars $ 310
Estimated useful life in years 3 years