XML 137 R121.htm IDEA: XBRL DOCUMENT
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Transactions with Related Parties - Additional Information (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of transactions between related parties [line items] |  |  |
Parent entity | GungHo Online Entertainment, Inc. |  |
Number of related party transactions | 0 | 0 | 0
GungHo Online Entertainment, Inc |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Percentage of ownership held by related party | 59.31% |  |

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- Details
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