Accounts and Other Receivables, Net (Tables)

12 Months Ended

Dec. 31, 2016

Receivables [Abstract]

Schedule of Accounts Notes Loans and Financing Receivable

	December 31,
	2015			2016
	(In thousands)
Trade receivables - CompX	$	8,847		$	10,417
Accrued insurance recoveries		138			104
Other receivables		79			135
Allowance for doubtful accounts		(87	)		(70	)
Total	$	8,977		$	10,586