Weighted Average Shares and Net Income Per Share - Additional Information (Detail) - shares	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Weighted average common shares outstanding	17,123,000	17,386,000	17,133,000	17,446,000
Diluted weighted average common and common equivalent shares outstanding	17,346,000	17,650,000	17,365,000	17,726,000