v3.26.1
Income Taxes - Additional Information (Details)
¥ in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2008
Dec. 31, 2025
CNY (¥)
Dec. 31, 2024
CNY (¥)
Income Tax [Line Items]            
Effective income tax rate reconciliation, at federal statutory income tax rate, percent 25.00%     25.00%    
Income tax (benefits) expense $ (63,266,000) $ 2,181,000 $ 36,371,000      
Income tax benefit amounted (65,526,000) 10,709,000 (21,122,000)      
Deferred tax assets, valuation allowance 409,920,000 313,303,000        
Deferred tax liabilities represents withholding tax $ 310,663,000          
Withholding tax rate 10.00%          
Withholding tax rate before treaty benefits 10.00%          
Withholding tax rate after treaty benefits 5.00%          
Unrecognized tax benefits, interest on income taxes expense $ 0 0 64,000      
Unrecognized tax benefits, interest on income taxes accrued 0 0 0      
Unrecognized Tax Benefits 0 0 0      
Unrecognized tax benefits that would impact effective tax rate $ 0 0 0      
Percentage of global minimum tax applied on country-by-country basis 15.00%          
Accumulated loss $ (2,815,942,000) (6,838,357,000)        
Current income tax expenses 26,645,000 58,587,000 $ 53,780,000      
Current income tax payable 30,687,000 207,718,000        
Deferred tax assets $ 93,766,000 110,290,000        
Sinovac Chengdu            
Income Tax [Line Items]            
Preferential enterprise income tax eligibility percentage 15.00%          
PRC Subsidiaries            
Income Tax [Line Items]            
Operating loss carryforwards $ 1,501,000,000 $ 1,048,000,000     ¥ 10,489 ¥ 7,650
Operating loss carryforwards expiration period will expire from 2026 to 2030 will expire from 2025 to 2029        
Antigua and Barbuda            
Income Tax [Line Items]            
Tax withholdings on remittance of dividends $ 0          
Singapore            
Income Tax [Line Items]            
Effective income tax rate reconciliation, at federal statutory income tax rate, percent 17.00%          
Tax withholdings on remittance of dividends $ 0          
Outside Chinese Mainland            
Income Tax [Line Items]            
Income tax (benefits) expense $ 548,000          
Hong Kong            
Income Tax [Line Items]            
Effective income tax rate reconciliation, at federal statutory income tax rate, percent 16.50%          
Income tax (benefits) expense $ (45,753,000)          
Tax withholdings on remittance of dividends 0          
Deferred tax liabilities representing reinvestment of dividend received into investees   $ 328,879,000        
Assessable profits $ 2,000,000          
Hong Kong | Sinovac Hong Kong            
Income Tax [Line Items]            
Effective income tax rate reconciliation, at federal statutory income tax rate, percent 8.25%          
Chinese Mainland            
Income Tax [Line Items]            
Income tax (benefits) expense $ (18,061,000)          
Enterprise income tax at statutory rate 25.00%          
Chinese Mainland | Sinovac Beijing, Sinovac Dalian and Sinovac LS            
Income Tax [Line Items]            
Income Taxes Enterprise Income Tax Rate 15.00%          
Income tax statute of limitation for transfer pricing related matters 3 years          
Chinese Mainland | PRC Subsidiaries            
Income Tax [Line Items]            
Effective income tax rate reconciliation, at federal statutory income tax rate, percent 25.00% 25.00% 25.00%