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Description of Business and Summary of Significant Accounting Policies - Components of Basic and Diluted Earnings Per Share (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Numerator:      
Net income $ 7,519 $ 27,404 $ 18,587
Denominator:      
Weighted average shares outstanding—basic 28,128,000 29,234,000 29,811,000
Dilutive effect of stock options and grants 405,000 638,000 599,000
Weighted average shares outstanding—diluted 28,533,000 29,872,000 30,410,000