Quarterly report [Sections 13 or 15(d)]

Financial Instruments - Summary of Long-term Debt Instruments at Carrying Value and Fair Value (Detail)

v3.26.3
Financial Instruments - Summary of Long-term Debt Instruments at Carrying Value and Fair Value (Detail) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Jun. 24, 2022
Debt Instrument [Line Items]      
Carrying value $ 208,702 $ 193,986  
Fair value 204,610 186,489  
June Unsecured Debentures      
Debt Instrument [Line Items]      
Carrying value 27,330 24,855  
Fair value 26,722 23,831  
June Secured Debentures      
Debt Instrument [Line Items]      
Carrying value 173,394 160,772  
Fair value 169,921 154,569 $ 84,500
Secured Notes      
Debt Instrument [Line Items]      
Carrying value 7,978 8,359  
Fair value $ 7,967 $ 8,089