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De-SPAC Merger Transaction - Common Stock Warrants (Details)	Aug. 26, 2022 D $ / shares shares	Sep. 30, 2023 shares
Common Stock Warrants
Warrant to purchase each share	1
Warrant exercise price (in dollars per share) | $ / shares	$ 11.50
Westrock Public Warrants
Common Stock Warrants
Warrants	12,500,000
Warrant expiry term	5 years
Redemption price | $ / shares	$ 0.01
Number of trading days | D	20
Number of trading days before warrant redemption notice | D	30
Number of business days | D	3
Share price (in dollars per share) | $ / shares	$ 18.00
Westrock Public Warrants | Minimum
Common Stock Warrants
Term of redemption notice to share holders	30 days
Westrock Private Warrants
Common Stock Warrants
Warrants	7,400,000
Westrock Private Warrants | Riverview
Common Stock Warrants
Warrants		5,373,954
Warrant to purchase each share		2,026,046

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Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-3

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
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