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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