Marketable securities (Tables)

3 Months Ended

Mar. 31, 2026

Marketable securities

Schedule of marketable securities

	Fair value
	measurement	Market		Cost		Unrealized
	level	value		basis		loss, net
		(In thousands)
December 31, 2025
Noncurrent assets - Valhi common stock	1	$	14,433	$	24,347	$	(9,914)
March 31, 2026
Noncurrent assets - Valhi common stock	1	$	17,128	$	24,347	$	(7,219)