Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 13,006	$ (4,581)	$ 9,052	$ (12,151)
Other comprehensive income (loss):
Foreign currency translation adjustment, net of tax	207	(131)	(103)	(348)
Available-for-sale securities:
Unrealized gain (loss) on available-for-sale securities, net of tax	(15)	97	44	186
Reclassification adjustments for (loss) gain on available-for-sale securities recognized, net of tax	(1)	5	(2)	7
Net (decrease) increase from available-for-sale securities, net of tax	(16)	102	42	193
Other comprehensive income (loss), net of tax	191	(29)	(61)	(155)
Comprehensive income (loss)	$ 13,197	$ (4,610)	$ 8,991	$ (12,306)