Segment Information - Summarized Financial Information by Reportable Segments (Footnote) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Oct. 31, 2019	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Loss on early extinguishment of debt				$ 0	$ (19,219)
Interest and financing expenses		$ (25,577)	$ (41,409)	(52,354)	(69,243)
Accrual for Environmental Loss Contingencies, Period Increase (Decrease)				$ 1,869
Lithium Hydroxide Conversion Assets
Segment Reporting Information [Line Items]
Ownership percentage	40.00%			40.00%
Interest Expense
Segment Reporting Information [Line Items]
Loss on early extinguishment of debt			19,200		19,200
Cost of goods sold
Segment Reporting Information [Line Items]
Litigation Settlement, Expense			500		500
Selling, general and administrative expenses
Segment Reporting Information [Line Items]
Severance costs		7,400		$ 7,400
Other Restructuring Costs		700	$ 1,100	1,400	1,100
Accrual for Environmental Loss Contingencies, Period Increase (Decrease)				1,900	2,800
Gain on sale of idle properties					4,300
Selling, general and administrative expenses | Financial Improvement Plan
Segment Reporting Information [Line Items]
Multiemployer plan, period contributions		600		600
Other Expense
Segment Reporting Information [Line Items]
Revision of tax indemnification expense		(3,900)		(3,900)
Gain in fair value of preferred equity		$ 2,700		2,700
Asset Retirement Obligation, Liabilities Incurred				$ 3,600
Proceeds from Legal Settlements					600
Revision of Prior Period, Error Correction, Adjustment
Segment Reporting Information [Line Items]
Interest and financing expenses					$ 17,500