Intangible Assets, Goodwill and Other Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Amortization of expense of intangible assets	$ 11,900	$ 11,600	$ 10,300
Impairment of intangible assets	43,000
Goodwill	301,959	301,959
Impairment of goodwill	$ 0	$ 0	$ 0
Impairment, Intangible Asset, Statement of Income or Comprehensive Income [Extensible Enumeration]	Impairment expense	Impairment expense
Soda and Sulfur Services
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 302,000	$ 302,000