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Summary Of Significant Accounting Policies - Estimated useful Lives of Intangible Assets (Detail)
12 Months Ended
Dec. 31, 2021
Licenses [Member]  
Significant Accounting Policies [Line Items]  
Estimated Useful Life 22 years
Brand and Trademarks [Member]  
Significant Accounting Policies [Line Items]  
Estimated Useful Life Indefinite
Computer Software [Member] | Minimum [Member]  
Significant Accounting Policies [Line Items]  
Estimated Useful Life 3 years
Computer Software [Member] | Maximum [Member]  
Significant Accounting Policies [Line Items]  
Estimated Useful Life 5 years