Significant Balance Sheet Components - Schedule of Property and Equipment (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Jun. 30, 2019	Jun. 30, 2018
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 26,987	$ 18,022	$ 14,423
Less: accumulated depreciation and amortization	(14,670)	(11,465)	(8,475)
Property and equipment, net	12,317	6,557	5,948
Computers Software and Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	10,919	10,341	9,046
Capitalized Software
Property Plant And Equipment [Line Items]
Property and equipment, gross	3,876	3,387	1,831
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and equipment, gross	3,116	1,859	1,535
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 9,076	$ 2,435	$ 2,011

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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