Earnings Per Shares (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Numerator:
Net income (loss) attributable to common unitholders - basic	$ (21,477)	$ (17,672)	$ (48,609)	$ (41,258)
Numerator:
Net income (loss) attributable to common shareholders - basic	(21,477)	(17,672)	(48,609)	(41,258)
Net income (loss) attributable to common shareholders - diluted	$ (21,477)	$ (17,672)	$ (48,609)	$ (41,258)
Denominator:
Weighted-average common shares outstanding - basic	94,661	88,323	94,480	88,209
Weighted-average common shares outstanding - diluted	94,661	88,323	94,480	88,209
Basic earnings (loss) per common share	$ (0.23)	$ (0.2)	$ (0.51)	$ (0.47)
Dilutive (loss) earnings per common share	$ (0.23)	$ (0.2)	$ (0.51)	$ (0.47)
Westrock Warrants
Earnings per Unit
Antidilutive securities		19,144		19,144
Restricted stock units
Earnings per Unit
Antidilutive securities	1,947	2,860	2,147	2,504
Employee Stock Option
Earnings per Unit
Antidilutive securities	1,255	1,316	1,255	1,322
Series A Preferred Shares
Earnings per Unit
Antidilutive securities	34,671	30,517	34,568	25,278