Quarterly report [Sections 13 or 15(d)]

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

v3.25.1
Financial Instruments - Summary of Long-term Debt Instruments at Carrying Value and Fair Value (Detail) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Jun. 24, 2022
Debt Instrument [Line Items]      
Carrying value $ 183,116 $ 182,327  
Fair value 173,332 170,148  
June Unsecured Debentures      
Debt Instrument [Line Items]      
Carrying value 22,495 21,750  
Fair value 21,152 20,142  
June Secured Debentures      
Debt Instrument [Line Items]      
Carrying value 148,720 144,913  
Fair value 139,947 134,096 $ 84,500
Secured Notes      
Debt Instrument [Line Items]      
Carrying value 11,901 14,968  
Fair value 12,233 15,223  
Other      
Debt Instrument [Line Items]      
Carrying value 0 696  
Fair value $ 0 $ 687