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Derivative Financial Instruments - Details of Derivative Contracts (Detail) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Zero Cost Collar One [Member]    
Derivative [Line Items]    
Date of transaction Oct. 17, 2024 Apr. 05, 2024
Total notional amount $ 9,000 $ 9,000
Month of settlement, start 2025-10 2025-01
Month of settlement, end 2025-12 2025-03
Zero Cost Collar Two [Member]    
Derivative [Line Items]    
Date of transaction Feb. 03, 2025 Jul. 09, 2024
Total notional amount $ 9,000 $ 18,000
Month of settlement, start 2026-01 2025-04
Month of settlement, end 2026-03 2025-09
Zero Cost Collar Three [Member]    
Derivative [Line Items]    
Date of transaction Jul. 10, 2025 Oct. 17, 2024
Total notional amount $ 9,000 $ 9,000
Month of settlement, start 2026-04 2025-10
Month of settlement, end 2026-06 2025-12
Zero Cost Collar Four [Member]    
Derivative [Line Items]    
Date of transaction Jul. 17, 2025  
Total notional amount $ 9,000  
Month of settlement, start 2026-07  
Month of settlement, end 2026-09  
Zero Cost Collar Five [Member]    
Derivative [Line Items]    
Date of transaction Sep. 30, 2025  
Total notional amount $ 27,000  
Month of settlement, start 2026-01  
Month of settlement, end 2026-12