Condensed Consolidated Statements of Comprehensive (Loss) Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 7,199	$ (31,923)	$ (1,866)	$ (27,547)
Available for sale securities:
Change in unrealized gains on available for sale securities		54		237
Net change in foreign currency translation adjustments	(28)	432	(525)	787
Other comprehensive income (loss), net of tax:	(28)	486	(525)	1,024
Total comprehensive income (loss)	$ 7,171	$ (31,437)	$ (2,391)	$ (26,523)

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