Employee Benefit Plan (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Employee Benefit Plan
Company matching contributions equal to each employee's contribution (as a percent)			50.00%
Maximum contribution by the company as a percentage of employee's compensation for the Plan year			4.00%
Contributions to the Plan	$ 675	$ 527	$ 1,700	$ 1,600