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Accounts receivable - Additional Information (Detail) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Allowance for doubtful accounts receivable $ 28,646 $ 24,857
Unbilled revenue    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable balances $ 89,745 $ 149,015