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Convertible Preferred Shares - Additional Information (Details) - Series A Convertible Preferred Shares - shares
Feb. 20, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2018
Temporary Equity [Line Items]        
Conversion of convertible preferred share into ordinary shares, Shares 91,600,398      
Temporary equity, shares authorized   0 0  
Temporary equity, shares outstanding   0 0 91,600,398