Quarterly report pursuant to Section 13 or 15(d)

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

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Financial Instruments - Summary of Long-term Debt Instruments at Carrying Value and Fair Value (Detail) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Jun. 24, 2022
Debt Instrument [Line Items]      
Carrying value $ 168,413 $ 165,276  
Fair value 153,463 151,605  
June Unsecured Debentures      
Debt Instrument [Line Items]      
Carrying value 19,556 18,856  
Fair value 17,745 17,301  
June Secured Debentures      
Debt Instrument [Line Items]      
Carrying value 133,688 130,103  
Fair value 120,325 118,118 $ 84,500
Secured Notes      
Debt Instrument [Line Items]      
Carrying value 14,431 15,565  
Fair value 14,646 15,414  
Other      
Debt Instrument [Line Items]      
Carrying value 738 752  
Fair value $ 747 $ 772