Commitments and Contingencies (Details) € in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2024 USD ($) claim	Mar. 31, 2024 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Jun. 30, 2024 USD ($) case claim	Jun. 30, 2023 USD ($)	Jul. 19, 2024 EUR (€)	Jul. 05, 2024 EUR (€)	Jun. 30, 2024 BRL (R$) claim	May 31, 2024 USD ($)	Apr. 26, 2024 USD ($)	Dec. 31, 2023 USD ($)	Nov. 30, 2022 USD ($)	Feb. 25, 2022 EUR (€)	Oct. 14, 2021 EUR (€)	Dec. 30, 2020 USD ($)	Jan. 27, 2020 party
Commitments and Contingencies
Number Of Potentially Related Parties | party																	20
Reserve for loss contingencies	$ 5,100,000				$ 5,100,000
Penalties	6,000,000				6,000,000				R$ 32,000,000
Current Portion of Environmental Liabilities	10,415,000				10,415,000							$ 7,540,000
Environmental liabilities	24,540,000				24,540,000							25,682,000
Total environmental liabilities	34,955,000				34,955,000							$ 33,222,000
Malpractice Insurance, Deductible					5,000,000.0
Net income (loss)	(11,120,000)	$ (16,846,000)	$ (15,838,000)	$ (8,590,000)	(27,966,000)	$ (24,428,000)
DTSC Investigation
Commitments and Contingencies
Current Portion of Environmental Liabilities										$ 3,100,000
Sao Paulo State Revenue Authority
Commitments and Contingencies
Loss contingency reserves											$ 3,400,000
BRAZIL
Commitments and Contingencies
Loss Contingencies, Unpaid Service Taxes																$ 1,900,000
Loss Contingencies, Overall Liability	5,700,000				5,700,000
Loss Contingency Accrual, Provision					0
Kentucky Department of Environmental Protection
Commitments and Contingencies
Current Portion of Environmental Liabilities	200,000				200,000
Proposed civil penalty	$ 1,000,000				$ 1,000,000								$ 800,000
Other
Commitments and Contingencies
Number of pending claims | claim	17,000				17,000				17,000
Number of claims dismissed to date by stipulation or summary judgment prior to trial | case					28,400
Loss Contingency Accrual, Provision					$ 0
Alleged Violation of Environmental Permit in Ijmuiden, Netherland | Amsterdam Public Prosecutor’s Office
Commitments and Contingencies
Loss Contingency, Amount Seeking From Other Party | €															€ 100
Loss Contingency, Fine Issued By Court | €														€ 5
Alleged Violation of Environmental Permit in Ijmuiden, Netherland | Amsterdam Public Prosecutor’s Office | Subsequent Event
Commitments and Contingencies
Loss Contingency, Fine Issued By Court | €							€ 25	€ 300