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Other long-term liabilities - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Non-current liabilities [abstract]    
Amount in escrow account $ 8.4 $ 8.2
Provision For adjustment 13.3  
Provision for maintenance 6.5 $ 9.2
Trust fund $ 3.0