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Accounts and other receivables, net - Schedule of Accounts Notes Loans and Financing Receivable (Detail) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Receivables [Abstract]    
Accrued insurance recoveries   $ 43
Other receivables $ 52 20
Total 19,219 15,609
CompX    
Receivables [Abstract]    
Trade receivables 19,237 15,616
Allowance for doubtful accounts $ (70) $ (70)