Weighted Average Shares and Net Income Per Share - Additional Information (Detail) - shares	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Basic weighted average common shares outstanding	17,785,000	17,899,000	17,841,000	17,939,000
Diluted weighted average common and common equivalent shares outstanding	18,211,000	18,180,000	18,221,000	18,156,000