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Noncontrolling Interest (Noncontrolling Interest in Consolidated Balance Sheets) (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Noncontrolling Interest [Line Items]
Noncontrolling interest in consolidated balance sheets	$ 1,318,000	$ 684,612,000
Changyou [Member]
Noncontrolling Interest [Line Items]
Noncontrolling interest in consolidated balance sheets	1,318,000	1,321,000
Sogou [Member]
Noncontrolling Interest [Line Items]
Noncontrolling interest in consolidated balance sheets	$ 0	$ 683,291,000

X

- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

+ References

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- Definition

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.

+ References

No definition available.

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