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Accounts and Other Receivables, Net (Tables)
3 Months Ended
Mar. 31, 2022
Receivables [Abstract]  
Schedule of Accounts Notes Loans and Financing Receivable

December 31, 

March 31, 

    

2021

    

2022

(In thousands)

Trade receivables - CompX

$

15,616

$

17,825

Accrued insurance recoveries

 

43

 

Other receivables

 

20

 

22

Allowance for doubtful accounts

 

(70)

 

(70)

Total

$

15,609

$

17,777