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Share-Based Compensation - Black Scholes Pricing Model Assumptions used to Estimate Fair Value of Options Granted (Details)
12 Months Ended
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Average dividend yield 0.00%
Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted average expected option life 6 years 1 month 6 days
Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted average expected option life 8 years 4 months 24 days