Accounts and Other Receivables, Net (Tables)

9 Months Ended

Sep. 30, 2016

Receivables [Abstract]

Schedule of Accounts Notes Loans and Financing Receivable

	December 31,			September 30,
	2015			2016
	(In thousands)
Trade receivables — CompX	$	8,847		$	13,110
Accrued insurance recoveries		138			92
Other receivables		79			150
Allowance for doubtful accounts		(87	)		(70	)
Total	$	8,977		$	13,282