Earnings Per Shares (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Numerator:
Net income (loss) attributable to common unitholders - basic	$ (79,949)	$ (34,743)	$ (77,633)
Numerator:
Net income (loss) attributable to common shareholders - basic	(79,949)	(34,743)	(77,633)
Net income (loss) attributable to common shareholders - diluted	$ (79,949)	$ (34,743)	$ (77,633)
Denominator:
Weighted-average common units outstanding - basic	89,795	80,684	48,444
Weighted-average common units outstanding - diluted	89,795	80,684	48,444
Basic earnings (loss) per common share	$ (0.89)	$ (0.43)	$ (1.6)
Dilutive (loss) earnings per common share	$ (0.89)	$ (0.43)	$ (1.6)
Westrock Warrants
Earnings per Unit
Antidilutive securities	14,298	19,149	19,373
Restricted stock units
Earnings per Unit
Antidilutive securities	2,536	1,917	1,602
Employee Stock Option
Earnings per Unit
Antidilutive securities	1,299	1,445	3,217
Series A Preferred Shares
Earnings per Unit
Antidilutive securities	30,514	23,551	23,588