Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Acquisitions - Summary of Allocation of Purchase Price and Estimated Useful Lives of the Identifiable Assets Acquired (Detail) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Nov. 30, 2017	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2018
Business Acquisition [Line Items]
Estimated Useful Life		5 years 9 months 18 days
Goodwill		$ 82,544	$ 80,677	$ 62,283
Katch, LLC [Member]
Business Acquisition [Line Items]
Goodwill	$ 6,100
Total purchase price	14,000
Katch, LLC [Member] \| Customer/publisher/advertiser relationships [Member]
Business Acquisition [Line Items]
Estimated Fair Value	4,200
Katch, LLC [Member] \| Acquired technology and others [Member]
Business Acquisition [Line Items]
Estimated Fair Value	$ 3,700
Estimated Useful Life	3 years
Katch, LLC [Member] \| Minimum [Member] \| Customer/publisher/advertiser relationships [Member]
Business Acquisition [Line Items]
Estimated Useful Life	4 years
Katch, LLC [Member] \| Maximum [Member] \| Customer/publisher/advertiser relationships [Member]
Business Acquisition [Line Items]
Estimated Useful Life	7 years