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Summary of Significant Accounting Policies - Additional Information (Detail)
 12 Months Ended
Dec. 31, 2024
USD ($)
Segment
Dec. 31, 2023
USD ($)
Summary Of Significant Accounting Policies [Line Items]    
Short-term investment maturity period 3 months  
Exploration license impairments $ 0 $ 0
Asset impairment charges 0 0
Foreign exchange rate fluctuation gain (loss) $ 1,100,000 $ (700,000)
Number of operating segment | Segment 1  
Accounting Standards Update 2023-07 [Member]    
Summary Of Significant Accounting Policies [Line Items]    
Change in Accounting Principle, Accounting Standards Update, Adopted [true false] true  
Accounting Standards Update 2023-09 [Member]    
Summary Of Significant Accounting Policies [Line Items]    
Change in Accounting Principle, Accounting Standards Update, Adopted [true false] true  
Change in Accounting Principle, Accounting Standards Update, Adoption Date Dec. 15, 2024  
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false] true