Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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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.

+ References

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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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Goodwill (Goodwill by Segments and Acquisition) (Detail) - USD ($) $ in Thousands	Apr. 16, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Goodwill [Line Items]
Goodwill		$ 62,428	$ 16,955	$ 13,060
Consumer Media
Goodwill [Line Items]
Goodwill		580	580
Mobile Services
Goodwill [Line Items]
Goodwill		2,074	2,040
Games
Goodwill [Line Items]
Goodwill		14,254	14,335
Napster
Goodwill [Line Items]
Goodwill		$ 45,520	$ 0
Netherlands-Based Game Development Studio
Goodwill [Line Items]
Percentage of shares acquired	100.00%
Net cash consideration	$ 4,200