Condensed Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands		Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Balance at Mar. 31, 2022		$ 423,078	$ 692	$ (35,874)	$ 329,917	$ 130,252	$ (1,909)
Balance, Shares at Mar. 31, 2022			67,075,000
Common stock issued under stock plans, net of shares withheld for taxes		(1,600)	$ 12		(1,612)
Common stock issued under stock plans, net of shares withheld for taxes, Shares			1,137,000
Stock-based compensation		8,766			8,766
Repurchase of common stock	[1]	(2,505)		(2,505)
Repurchase of common stock, Shares	[1]		(148,000)
Components of other comprehensive income:
Translation adjustments		(28)					(28)
Net income		1,148				1,148
Balance at Jun. 30, 2022		428,859	$ 704	(38,379)	337,071	131,400	(1,937)
Balance, Shares at Jun. 30, 2022			68,064,000
Balance at Mar. 31, 2023		400,435	$ 709	(85,752)	359,342	127,598	(1,462)
Balance, Shares at Mar. 31, 2023			66,026,000
Common stock issued under stock plans, net of shares withheld for taxes		(3,248)	$ 10		(3,258)
Common stock issued under stock plans, net of shares withheld for taxes, Shares			1,017,000
Stock-based compensation		$ 7,956			7,956
Repurchase of common stock, Shares		0
Components of other comprehensive income:
Unrealized loss on marketable securities		$ (776)					(776)
Translation adjustments		(1)					(1)
Net income		6,156				6,156
Balance at Jun. 30, 2023		$ 410,522	$ 719	$ (85,752)	$ 364,040	$ 133,754	$ (2,239)
Balance, Shares at Jun. 30, 2023			67,043,000

[1] Weighted-average repurchase price (dollars per share) for the three months ended June 30, 2022 was $16.93.