Retirement Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Super Micro Computer, B.V.
Defined Contribution Plan Disclosure [Line Items]
Company's matching contribution, percent	10.00%
Company's contribution cost	$ 250	$ 200	$ 198
Super Micro Computer, Taiwan
Defined Benefit Plan Disclosure [Line Items]
Company's contribution costs	$ 1,003	$ 862	$ 740