Discontinued Operations (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Major classes of line items constituting income (loss) from discontinued operations:
NET INCOME (LOSS) FROM DISCONTINUED OPERATIONS, NET OF TAX	$ 0	$ 2,578,000	$ (423,745,000)	$ 10,181,000
Discontinued Operations, Disposed of by Sale
Major classes of line items constituting income (loss) from discontinued operations:
Operating costs	0	(290,447,000)	(168,871,000)	(587,413,000)
General and administrative	0	(247,000)	(156,000)	(556,000)
Depreciation, depletion and amortization	0	(26,446,000)	(18,862,000)	(50,826,000)
Interest expense, net	0	(6,331,000)	(4,179,000)	(12,731,000)
Pretax income from discontinued operations	0	2,611,000	8,464,000	10,214,000
Loss from the sale of the Alkali Business	0	0	(432,193,000)	0
Total pretax income (loss) from discontinued operations	0	2,611,000	(423,729,000)	10,214,000
Income tax expense	0	(33,000)	(16,000)	(33,000)
NET INCOME (LOSS) FROM DISCONTINUED OPERATIONS, NET OF TAX	0	2,578,000	(423,745,000)	10,181,000
Disposal Group, Held-for-Sale, Not Discontinued Operations
Major classes of line items constituting income (loss) from discontinued operations:
Revenues	$ 0	$ 326,082,000	$ 200,532,000	$ 661,740,000