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De-SPAC Merger Transaction - Common Stock Warrants (Details)
$ / shares in Units, $ in Millions
 1 Months Ended 12 Months Ended
Aug. 26, 2022
D
$ / shares
shares
Dec. 21, 2022
shares
Dec. 31, 2022
USD ($)
shares
Common Stock Warrants      
Warrant to purchase each share 1    
Warrant exercise price (in dollars per share) | $ / shares $ 11.50    
Shares issued for warrants exercised     0
Cash proceeds | $     $ 2.6
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    
Warrants exercised   527,084 228,796
Shares issued for warrants exercised     228,796
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    
Warrant exercisable term 30 days    
Common Stock      
Common Stock Warrants      
Shares issued for warrants exercised   94,453 94,000