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Sohu.com Limited Shareholders' Equity (Sohu Video Share-based Awards, Narrative) (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 04, 2012 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based compensation expense |  | $ 8,578 | $ 14,480 | $ 2,350
Sohu Video Share Incentive Plan [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Installments of share options granted |  | four equal installments |  |
Sohu Video [Member] | Sohu Video Share Incentive Plan [Member] | Share Options [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Plan expiration date |  | Jan. 04, 2022 |  |
Sohu Video [Member] | Sohu Video Share Incentive Plan [Member] | Ordinary Shares [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Shares reserved for future issuance | 25,000,000 |  |  |
Sohu Video [Member] | Sohu Video Share Incentive Plan [Member] | Ordinary Shares [Member] | Share Options [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares under contractually granted share options |  | 16,368,200 |  |
Installments of share options granted |  | four equal installments |  |
Number of shares purchased on vested options |  | 4,972,800 |  |
Share-based compensation expense |  | $ (1,000) | $ (700) | $ (900)
Sohu Video [Member] | Sohu Video Share Incentive Plan [Member] | Ordinary Shares [Member] | Share Options [Member] | Maximum [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Maximum term of share rights granted under share incentive plan | 10 years |  |  |
Sohu Video [Member] | Video 2011 Share Incentive Plan [Member] | Ordinary Shares [Member] | Share Options [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares under contractually granted share options |  | 16,368,200 |  |
Installments of share options granted |  | four equal installments |  |
Number of shares purchased on vested options |  | 4,972,800 |  |

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- Definition The number of shares contractually granted for awards under the equity-based compensation plan. + References No definition available. + Details
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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Definition Date the equity-based award expires, in YYYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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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. + Details
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options vested. + References No definition available. + Details
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