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Summary of Significant Accounting Policies - Share-Based Compensation (Details) - shares
1 Months Ended 9 Months Ended
Apr. 30, 2016
Sep. 30, 2022
Share-Based Compensation    
Expected dividend yield   0.00%
Employee stock purchase plan    
Share-Based Compensation    
Number of initial shares reserved for issuance under the Plan (in shares) 1,000,000  
Purchase period 6 months