Marketable securities (Tables)

12 Months Ended

Dec. 31, 2025

Marketable securities

Schedule of Marketable Securities

	Fair value
	measurement	Market		Cost		Unrealized
	level	value		basis		gain (loss)
		(In thousands)
December 31, 2024
Noncurrent assets
Valhi common stock	1	$	28,015	$	24,347	$	3,668
December 31, 2025
Noncurrent assets
Valhi common stock	1	$	14,433	$	24,347	$	(9,914)