Balance Sheet Components - Other Long-Term Liabilities Reclassification (Details) - USD ($)	Sep. 30, 2020	Jun. 30, 2020
Schedule Of Long-Term Liabilities [Line Items]
Customer deposits	$ 6,000,000	$ 8,000,000
Accrued liabilities	55,875,000	$ 54,986,000
Customer A And Customer B
Schedule Of Long-Term Liabilities [Line Items]
Customer deposits	2,000,000.0
Accrued liabilities	$ 2,000,000.0