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Fair Value Measurements (Long-term Payables, Narrative) (Details) - $ / shares	Dec. 31, 2021	Apr. 17, 2020
Changyou [Member] | Share Options [Member] | Common Class A [Member] | Changyou Merger [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed price of share	$ 5.39	$ 5.39

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- Definition

Fixed price of share with which liabilities accrued over the option holders' service periods.

+ References

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- Definition

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+ References

No definition available.

+ Details

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- Details

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