Discontinued Operations - Additional Information (Details) $ in Millions	Jan. 09, 2018 USD ($)
Discontinued Operations, Disposed of by Sale \| Big Fish Games
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase price	$ 990.0

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.

No definition available.

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Balance Type:	na
Period Type:	duration