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Segment and Geographical Information - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Product Information [Line Items]
Insurance deductible	$ 15
Jesup Plant Fire
Product Information [Line Items]
Immediate repair cost	2
Additional maintenance capital expenditures	3
Additional capital expenditure expected	$ 15
One Customer | Sales | Customer Concentration Risk | High Purity Cellulose
Product Information [Line Items]
Concentration risk percentage		10.00%

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