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Intangible Assets, Net (Finite-lived Intangible Assets by Major Class) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 250,471	$ 315,767
Accumulated Amortization	(163,640)	(219,849)
Accumulated Impairment	(77,695)	(91,076)
Net Carrying Amount	9,136	4,842
Purchased video content [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	138,902	212,999
Accumulated Amortization	(99,961)	(161,160)
Accumulated Impairment	(37,343)	(50,088)
Net Carrying Amount	1,598	1,751
Operating rights for licensed games [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	60,454	51,856
Accumulated Amortization	(39,431)	(35,017)
Accumulated Impairment	(13,895)	(14,026)
Net Carrying Amount	7,128	2,813
Domain names and trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	26,766	27,536
Accumulated Amortization	(10,240)	(10,243)
Accumulated Impairment	(16,506)	(17,219)
Net Carrying Amount	20	74
Computer software [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	12,474	11,749
Accumulated Amortization	(12,084)	(11,545)
Accumulated Impairment	0	0
Net Carrying Amount	390	204
Developed technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,879	8,699
Accumulated Amortization	(936)	(918)
Accumulated Impairment	(7,943)	(7,781)
Net Carrying Amount	0	0
Others [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,996	2,928
Accumulated Amortization	(988)	(966)
Accumulated Impairment	(2,008)	(1,962)
Net Carrying Amount	$ 0	$ 0

X

- Definition

The accumulated amount of impairment of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
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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.

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
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