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Recapitalization - Additional Information (Details)
$ in Thousands
1 Months Ended 12 Months Ended
Aug. 31, 2021
USD ($)
shares
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
shares
Subsidiary Sale Of Stock [Line Items]      
Proceeds from issuance of common stock upon Business Combination and PIPE Financing, net of transaction costs   $ 124,220 $ 0
Transaction costs $ 400    
Reduction Of Additional Paid In Capital $ 5,900    
Common shares, shares outstanding | shares   35,034,431 18,256,628
Common shares, shares issued | shares   35,034,431 18,256,628
Exchange ratio 0.175648535 0.175648535  
Surrozen Inc      
Subsidiary Sale Of Stock [Line Items]      
Common shares, shares outstanding | shares 4,420,757    
Common shares, shares issued | shares 16,440,757    
Goodwill $ 0    
Private Investment In Public Entity Offering      
Subsidiary Sale Of Stock [Line Items]      
Proceeds from cash acquired through acquisition and PIPE offering 128,800    
Proceeds from issuance of common stock upon Business Combination and PIPE Financing, net of transaction costs 8,600    
Proceeds from issuance of units upon PIPE Financing 120,200    
Transaction costs $ 6,300    
Private Investment In Public Entity Offering | Surrozen Inc      
Subsidiary Sale Of Stock [Line Items]      
Common shares, shares issued | shares 12,020,000