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
Jun. 30, 2024
Dec. 31, 2023
Jun. 24, 2022
Debt Instrument [Line Items]      
Carrying value $ 172,938 $ 165,276  
Fair value 158,466 151,605  
June Unsecured Debentures      
Debt Instrument [Line Items]      
Carrying value 20,269 18,856  
Fair value 18,473 17,301  
June Secured Debentures      
Debt Instrument [Line Items]      
Carrying value 137,337 130,103  
Fair value 124,457 118,118 $ 84,500
Secured Notes      
Debt Instrument [Line Items]      
Carrying value 14,607 15,565  
Fair value 14,804 15,414  
Other      
Debt Instrument [Line Items]      
Carrying value 725 752  
Fair value $ 732 $ 772