Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Stock Option Award Activity - Additional Information (Detail)

v3.23.3
Stock Based Compensation - Stock Option Award Activity - Additional Information (Detail) - Employee Stock Purchase Plan [Member] - USD ($)
1 Months Ended 9 Months Ended
Feb. 28, 2022
Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares granted   0
Exercise price per share of shares granted   $ 0
Employee service share-based compensation, nonvested awards, compensation not yet recognized, stock options   $ 169,700
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition   2 years 1 month 6 days
2013 Equity Incentive Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares granted 15,000 0
2013 Equity Incentive Plan [Member] | Chief Executive Officer [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercise price per share of shares granted $ 25.4  
Share-based compensation arrangement by share-based payment award, award vesting description half of the options vesting on the second anniversary of the vesting start date and a quarter of the options vesting on each of the two following anniversaries