Earnings Per Share - Weighted Average Shares Outstanding for Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Earnings per share — Basic:
Net income (loss)	$ 2,848	$ (824)
Weighted-average shares outstanding — Basic	67,175	66,296
Net income (loss) per common share — Basic	$ 0.04	$ (0.01)
Earnings per share — Diluted:
Net income (loss)	$ 2,848	$ (824)
Weighted-average shares outstanding — Basic	67,175	66,296
Effect of potentially dilutive securities	624
Weighted-average shares outstanding — Diluted	67,799	66,296
Net income (loss) per common share — Diluted	$ 0.04	$ (0.01)