Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Investments in and Advances to Affiliates [Line Items]
Total investments	$ 11,494	$ 11,827
Standard Lithium
Investments in and Advances to Affiliates [Line Items]
Total investments	2,728	3,576
Other investments
Investments in and Advances to Affiliates [Line Items]
Total investments	$ 8,766	$ 8,251