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General Information - Schedule of Major Shareholders and their Respective Percentage of Ownership (Details)	Dec. 31, 2020 shares
Disclosure Of Significant Investments In Subsidiaries [Line Items]
Number of shares	6,948,900
Ownership percentage	100.00%
GungHo Online Entertainment, Inc.
Disclosure Of Significant Investments In Subsidiaries [Line Items]
Number of shares	4,121,737
Ownership percentage	59.31%
Others
Disclosure Of Significant Investments In Subsidiaries [Line Items]
Number of shares	2,827,163
Ownership percentage	40.69%

X

- Definition

Percentage of voting equity interest in the reporting entity acquired by an entity during the period. After the acquisition of the ownership interest, the acquiring entity was a majority shareholder of the reporting entity.

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- Definition

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

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X

- Definition

The number of shares issued by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 106
-Subparagraph d
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