Commitments and Contingencies (Details) € in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2024 USD ($) claim	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Sep. 30, 2024 USD ($) case claim	Sep. 30, 2023 USD ($)	Sep. 30, 2024 BRL (R$) claim	Jul. 19, 2024 EUR (€)	Jul. 05, 2024 EUR (€)	May 31, 2024 USD ($)	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																			23
Reserve for loss contingencies	$ 4,900,000						$ 4,900,000
Penalties	6,000,000						6,000,000		R$ 32,000,000
Current Portion of Environmental Liabilities	8,981,000						8,981,000							$ 7,540,000
Environmental liabilities	22,959,000						22,959,000							25,682,000
Total environmental liabilities	31,940,000						31,940,000							$ 33,222,000
Malpractice Insurance, Deductible							5,000,000.0
Net income (loss)	(12,267,000)	$ (11,120,000)	$ (16,846,000)	$ (10,094,000)	$ (15,838,000)	$ (8,590,000)	(40,233,000)	$ (34,522,000)
DTSC Investigation
Commitments and Contingencies
Current Portion of Environmental Liabilities												$ 3,100,000
Sao Paulo State Revenue Authority
Commitments and Contingencies
Loss contingency reserves													$ 3,500,000
BRAZIL
Commitments and Contingencies
Loss Contingencies, Unpaid Service Taxes																		$ 1,900,000
Loss Contingencies, Overall Liability	5,900,000						5,900,000
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							28,500
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 | €										€ 25	€ 300					€ 5