Unaudited Consolidated Statement of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total
Balance at Jun. 30, 2020	$ 54	$ 227,907	$ 164,272	$ 675	$ 392,908
Balance (in shares) at Jun. 30, 2020	53,792
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		15,046			15,046
Stock options exercised		529			529
Stock options exercised (in shares)	88
Issuance of common stock upon vesting of restricted stock units (in shares)	599
Net settlement for taxes and/or exercise price related to equity awards		(33,900)			(33,900)
Net settlement for taxes and/or exercise price related to equity awards (in shares)	(256)
Unrealized losses on securities, net of tax				(223)	(223)
Net income			12,460		12,460
Balance at Sep. 30, 2020	$ 54	209,582	176,732	452	386,820
Balance (in shares) at Sep. 30, 2020	54,223
Balance at Jun. 30, 2021	$ 55	241,718	235,091	66	$ 476,930
Balance (in shares) at Jun. 30, 2021	54,594				54,594
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		21,106			$ 21,106
Stock options exercised		1,429			1,429
Stock options exercised (in shares)	151
Issuance of common stock upon vesting of restricted stock units (in shares)	524
Net settlement for taxes and/or exercise price related to equity awards		(62,749)			(62,749)
Net settlement for taxes and/or exercise price related to equity awards (in shares)	(250)
Unrealized losses on securities, net of tax				(75)	(75)
Net income			30,932		30,932
Balance at Sep. 30, 2021	$ 55	$ 201,504	$ 266,023	$ (9)	$ 467,573
Balance (in shares) at Sep. 30, 2021	55,019				55,019