Commitments, Guarantees, Indemnifications, and Legal Proceedings - Additional Information (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024
Schedule Of Commitments And Contingencies [Line Items]
Loss Contingency Accrual			$ 59.2
DeRidder and other litigation	[1]	$ 0.0		$ 123.7
DeRidder, Louisiana | Prepaid Expenses and Other Current Assets [Member]
Schedule Of Commitments And Contingencies [Line Items]
Loss contingency, Receivable, Current		59.2	59.2
DeRidder, Louisiana | Accrued Liabilities [Member]
Schedule Of Commitments And Contingencies [Line Items]
Loss contingency, Receivable, Current		$ 59.2	$ 59.2

[1] On April 24, 2024, a jury for the remaining DeRidder mill lawsuit that was tried in the U.S. District Court for the Middle District of Louisiana awarded plaintiffs compensatory damages plus interest. During the fourth quarter of 2024, the Company, certain of its insurers, and the plaintiffs agreed to settle the matter for $59.2 million. The settlement amount has not yet been paid as of March 31, 2025. For more information, see Note 19, Commitments, Guarantees, Indemnifications, and Legal Proceedings, of the Notes to Consolidated Financial Statements in “Part II, Item 8. Financial Statements and Supplementary Data” of our 2024 Annual Report on Form 10-K.