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Stock-based Compensation - 2009 Stock Option Plan (Detail) - 2009 Stock Option Plan
12 Months Ended
Dec. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Expiration period of options 10 years
Minimum  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Percentage of exercise price 100.00%
Vesting period of options 3 years
Maximum  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Percentage of exercise price 110.00%
Vesting period of options 4 years