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Description of Business and Basis of Presentation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Jul. 21, 2021
Sep. 30, 2021
Sep. 30, 2022
IPO [Member] | Common Class A [Member]      
Organization Consolidation And Presentation Of Financial Statements [Line Items]      
Stock issued during period shares new issues   6,900,000  
Zevia L L C [Member]      
Organization Consolidation And Presentation Of Financial Statements [Line Items]      
Percentage of ownership and economic interest held by parent     65.10%
Percentage of ownership and economic interest held by non-controlling interest     34.90%
Zevia L L C [Member] | IPO [Member] | Common Class A [Member]      
Organization Consolidation And Presentation Of Financial Statements [Line Items]      
Stock issued during period shares new issues   3,767,440  
ZEVIA PBC [Member] | IPO [Member] | Common Class A [Member]      
Organization Consolidation And Presentation Of Financial Statements [Line Items]      
Stock issued during period shares new issues 10,700,000    
Sale of stock, price per share $ 14.00    
Proceeds from issuance of initial public offering $ 139.7    
Underwriting discounts and commissions $ 10.1