Fair Value Measurements - Change in Fair Value (Details) - Level 3 - Westrock Private Warrants - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Fair Value Measurements
Fair value as of beginning	$ 5,430	$ 28,342
Transfer out of Level 3		(18,916)
Change in fair value	(1,511)	(3,996)
Warrant exchange	(3,919)
Fair value as of ending		$ 5,430

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.

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Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of warrant exchange of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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