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Recapitalization - Additional Information (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
Aug. 11, 2021
$ / shares
shares
Aug. 31, 2021
USD ($)
Mar. 31, 2022
shares
Dec. 31, 2021
shares
Subsidiary Sale Of Stock [Line Items]        
Transaction costs   $ 400    
Reduction Of Additional Paid In Capital   $ 5,900    
Common Stock, Shares, Outstanding | shares     35,126,000 35,034,000
Common Stock, Shares, Issued | shares     35,126,000 35,034,000
Exchange ratio   0.175648535 0.175648535  
Surrozen Inc        
Subsidiary Sale Of Stock [Line Items]        
Goodwill   $ 0    
Private Investment In Public Entity Offering [Member]        
Subsidiary Sale Of Stock [Line Items]        
Stock issued during period shares new shares | shares 12,000,000.0      
Shares issued, price per share | $ / shares $ 10.00      
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 issuance costs   8,600    
Proceeds from issuance of units upon PIPE Financing   120,200    
Transaction costs   $ 6,300