Balance Sheet Components - Accrued liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020
Balance Sheet Related Disclosures [Abstract]
Accrued compensation and benefits	$ 41,058	$ 32,756
Warranty accrual	2,320	2,795	$ 767	$ 709
Stock rotation accrual	3,765	3,917	$ 3,893	$ 3,358
Accrued professional fees	2,499	3,017
Accrued inventory	2,142	1,138
Accrued facilities related expenses	1,843	2,536
Accrued property, plant and equipment	12,735	8,688
Other accrued expenses	4,215	6,793
Customer deposit	23,592	7,139
ESPP payable	1,043	715
Accrued liabilities	$ 95,212	$ 69,494