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Share-Based Compensation - 2017 Equity Incentive Plan (Details) - 2017 Equity Incentive Plan
9 Months Ended
Sep. 30, 2022
day
shares
Ordinary shares  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of shares authorized (in shares) | shares 1,602,117
Vested restricted share units, for which shares are not in issue  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expiration period 10 years
Vested restricted share units, for which shares are not in issue | Options Granted Before June 30, 2020  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 1 year
Award vesting percentage (in percent) 25.00%
Vested restricted share units, for which shares are not in issue | Share-based Payment Arrangement, Tranche one  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting percentage (in percent) 33.30%
Vested restricted share units, for which shares are not in issue | Share-based Payment Arrangement, Tranche two | Grant Date June 30, 2020  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 3 years
Award vesting percentage (in percent) 75.00%
Vested restricted share units, for which shares are not in issue | Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 3 years
Vested restricted share units, for which shares are not in issue | Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 4 years
Restricted Stock Units (RSUs)  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 4 years
Award vesting percentage (in percent) 25.00%
Restricted Stock Units (RSUs) | Share-based Payment Arrangement, Tranche one | Grant Date June 30, 2020  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting percentage (in percent) 25.00%
Expiration period 1 year
Percentage amount closing price is higher than listing price 20.00%
Threshold consecutive trading days | day 5