Summary of Significant Accounting Policies - Weighted Average Shares Outstanding for Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Earnings per share — Basic:
Net income (loss)	$ (2,654)	$ 1,618	$ 9,515
Weighted-average shares outstanding — Basic	67,005	67,370	66,739
Net income per common share — Basic	$ (0.04)	$ 0.02	$ 0.14
Earnings per share — Diluted:
Net income (loss)	$ (2,654)	$ 1,618	$ 9,515
Weighted-average shares outstanding — Basic	67,005	67,370	66,739
Effect of potentially dilutive securities		418	146
Weighted-average shares outstanding — Diluted	67,005	67,788	66,885
Net income (loss) per common share - Diluted	$ (0.04)	$ 0.02	$ 0.14