v3.26.1
Bank Loans - Summary of Bank Loans (Parenthetical) (Details)
$ in Thousands, ¥ in Millions
 12 Months Ended
Aug. 13, 2025
USD ($)
Jun. 27, 2025
USD ($)
Mar. 27, 2025
USD ($)
Mar. 13, 2025
USD ($)
Mar. 12, 2025
USD ($)
Mar. 07, 2025
USD ($)
Jan. 26, 2025
USD ($)
Jan. 09, 2025
USD ($)
Sep. 29, 2024
USD ($)
Sep. 23, 2024
USD ($)
Jan. 22, 2024
USD ($)
Nov. 29, 2023
USD ($)
May 31, 2023
USD ($)
Apr. 14, 2023
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2025
CNY (¥)
Aug. 13, 2025
CNY (¥)
Jun. 27, 2025
CNY (¥)
Mar. 27, 2025
CNY (¥)
Mar. 13, 2025
CNY (¥)
Mar. 12, 2025
CNY (¥)
Mar. 07, 2025
CNY (¥)
Jan. 26, 2025
CNY (¥)
Jan. 09, 2025
CNY (¥)
Sep. 29, 2024
CNY (¥)
Sep. 23, 2024
CNY (¥)
Jan. 22, 2024
CNY (¥)
Nov. 29, 2023
CNY (¥)
May 31, 2023
CNY (¥)
Apr. 14, 2023
CNY (¥)
Line of Credit Facility [Line Items]                                                                
- Proceeds from bank loans                             $ 318,401 $ 204,775 $ 243,395                              
Short-term bank loans and current portion of long-term bank loans                             229,374 211,919                                
Long-term bank loans                             265,484 163,840                                
Bank of China [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Short-term bank loans and current portion of long-term bank loans [1]                             43,263 6,124                                
Long-term bank loans [1]                             0 5,480                                
Bank of China [Member] | Sinovac Beijing                                                                
Line of Credit Facility [Line Items]                                                                
Line of credit facility, maximum borrowing capacity                   $ 64,386                                   ¥ 450.0        
Debt instrument, description of variable rate basis                   75 to 85 basis points                                            
Short-term bank loans and current portion of long-term bank loans                             41,904     ¥ 293.0                            
Bank of China [Member] | Sinovac Beijing | Minimum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage                   2.15%                                   2.15%        
Debt instrument, basis spread on variable rate                   0.75%                                            
Bank of China [Member] | Sinovac Beijing | Maximum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage                   2.35%                                   2.35%        
Debt instrument, basis spread on variable rate                   0.85%                                            
Bank of China [Member] | Sinovac Chengdu                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage         2.50%                                   2.50%                  
Line of credit facility, maximum borrowing capacity         $ 1,431                                   ¥ 10.0                  
Debt instrument, description of variable rate basis         60 basis points                                                      
Debt instrument, basis spread on variable rate         0.60%                                                      
Short-term bank loans and current portion of long-term bank loans                             1,359     10.0                            
Bank of Beijing [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Short-term bank loans and current portion of long-term bank loans [2]                             35,484 68,404                                
Long-term bank loans [2]                             0 27,400                                
Bank of Beijing [Member] | Sinovac Life Sciences                                                                
Line of Credit Facility [Line Items]                                                                
Line of credit facility, maximum borrowing capacity                           $ 71,540                                   ¥ 500.0
Debt instrument, description of variable rate basis                           75 to 80 basis points                                    
Short-term bank loans and current portion of long-term bank loans                             28,616     200.0                            
Bank of Beijing [Member] | Sinovac Life Sciences | Minimum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage                           2.70%                                   2.70%
Debt instrument, basis spread on variable rate                           0.75%                                    
Bank of Beijing [Member] | Sinovac Life Sciences | Maximum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage                           2.90%                                   2.90%
Debt instrument, basis spread on variable rate                           0.80%                                    
Bank of Beijing [Member] | Sinovac Beijing                                                                
Line of Credit Facility [Line Items]                                                                
Line of credit facility, maximum borrowing capacity   $ 71,540                                   ¥ 500.0                        
Debt instrument, description of variable rate basis   89 basis points                                                            
Debt instrument, basis spread on variable rate   0.89%                                                            
Short-term bank loans and current portion of long-term bank loans                             6,868     48.0                            
Bank of Beijing [Member] | Sinovac Beijing | Minimum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage   2.11%                                   2.11%                        
China Minsheng Banking [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Short-term bank loans and current portion of long-term bank loans [3]                             1,431 959                                
China Minsheng Banking [Member] | Sinovac Chengdu                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage         3.00%                                   3.00%                  
Line of credit facility, maximum borrowing capacity         $ 7,154                                   ¥ 50.0                  
Debt instrument, description of variable rate basis         10 basis points                                                      
Debt instrument, basis spread on variable rate         0.10%                                                      
Short-term bank loans and current portion of long-term bank loans                             1,431     10.0                            
Bank of Chengdu [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Short-term bank loans and current portion of long-term bank loans [4]                             4,292 2,055                                
Bank of Chengdu [Member] | Sinovac Chengdu                                                                
Line of Credit Facility [Line Items]                                                                
Line of credit facility, maximum borrowing capacity       $ 4,292                                   ¥ 30.0                    
Debt instrument, description of variable rate basis       55 basis points                                                        
Debt instrument, basis spread on variable rate       0.55%                                                        
Short-term bank loans and current portion of long-term bank loans                             4,292     30.0                            
Bank of Chengdu [Member] | Sinovac Chengdu | Minimum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage       2.45%                                   2.45%                    
Bank of Chengdu [Member] | Sinovac Chengdu | Maximum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage       2.55%                                   2.55%                    
Chengdu Rural Commercial Bank [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Short-term bank loans and current portion of long-term bank loans [5]                             715 1,362                                
Chengdu Rural Commercial Bank [Member] | Sinovac Chengdu                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage     2.50%                                   2.50%                      
Line of credit facility, maximum borrowing capacity     $ 715                                   ¥ 5.0                      
Debt instrument, description of variable rate basis     60 basis points                                                          
Debt instrument, basis spread on variable rate     0.60%                                                          
Short-term bank loans and current portion of long-term bank loans                             715     5.0                            
China Merchants Bank [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Short-term bank loans and current portion of long-term bank loans [6]                             114,714 118,459                                
Long-term bank loans [6]                             60,766 34,222                                
China Merchants Bank [Member] | Sinovac Life Sciences                                                                
Line of Credit Facility [Line Items]                                                                
Line of credit facility, maximum borrowing capacity                     $ 214,620                                   ¥ 1,500.0      
Debt instrument, description of variable rate basis                     60 basis points                                          
Short-term bank loans and current portion of long-term bank loans                             99,245     694.0                            
Long-term bank loans                             $ 53,626     ¥ 375.0                            
China Merchants Bank [Member] | Sinovac Life Sciences | Minimum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage                             2.40%     2.40%                            
Debt instrument, basis spread on variable rate                     0.60%                                          
China Merchants Bank [Member] | Sinovac Life Sciences | Maximum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage                             2.85%     2.85%                            
China Merchants Bank [Member] | Sinovac Beijing                                                                
Line of Credit Facility [Line Items]                                                                
Line of credit facility, maximum borrowing capacity           $ 28,616                                   ¥ 200.0                
Debt instrument, description of variable rate basis           76 to 89 basis points                                                    
Short-term bank loans and current portion of long-term bank loans                             $ 11,462     ¥ 80.0                            
Long-term bank loans                             7,140     50.0                            
China Merchants Bank [Member] | Sinovac Beijing | Minimum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage           2.11%                                   2.11%                
Debt instrument, basis spread on variable rate           0.76%                                                    
China Merchants Bank [Member] | Sinovac Beijing | Maximum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage           2.24%                                   2.24%                
Debt instrument, basis spread on variable rate           0.89%                                                    
China Merchants Bank [Member] | Sinovac Chengdu                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage 2.45%                                   2.45%                          
Line of credit facility, maximum borrowing capacity $ 7,154                                   ¥ 50.0                          
Debt instrument, description of variable rate basis 55 basis points                                                              
Debt instrument, basis spread on variable rate 0.55%                                                              
Short-term bank loans and current portion of long-term bank loans                             4,007     28.0                            
China Everbright Bank [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Short-term bank loans and current portion of long-term bank loans                             0 856                                
Long-term bank loans                             0 2,768                                
China Construction Bank [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Short-term bank loans and current portion of long-term bank loans [7]                             29,332 13,700                                
Long-term bank loans [7]                             203,430 93,970                                
China Construction Bank [Member] | Sinovac Life Sciences                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage               2.66%                                   2.66%            
Line of credit facility, maximum borrowing capacity               $ 77,006                                   ¥ 538.0            
Debt instrument, description of variable rate basis               94 basis points                                                
Short-term bank loans and current portion of long-term bank loans                             72     0.5                            
Long-term bank loans                             76,863     537.0                            
China Construction Bank [Member] | Sinovac Life Sciences | Minimum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, basis spread on variable rate               0.94%                                                
China Construction Bank [Member] | Sinovac Beijing                                                                
Line of Credit Facility [Line Items]                                                                
Line of credit facility, maximum borrowing capacity                 $ 64,386                                   ¥ 450.0          
Debt instrument, description of variable rate basis                 75 to 89 basis points                                              
Short-term bank loans and current portion of long-term bank loans                             28,616     200.0                            
China Construction Bank [Member] | Sinovac Beijing | Minimum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage                 2.11%                                   2.11%          
Debt instrument, basis spread on variable rate                 0.75%                                              
China Construction Bank [Member] | Sinovac Beijing | Maximum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage                 2.35%                                   2.35%          
Debt instrument, basis spread on variable rate                 0.89%                                              
China Construction Bank [Member] | Sinovac Biotech (Yidao) Co., Ltd.                                                                
Line of Credit Facility [Line Items]                                                                
Line of credit facility, maximum borrowing capacity                         $ 186,004                                   ¥ 1,300.0  
Debt instrument, description of variable rate basis                         118 basis points                                      
Debt instrument, basis spread on variable rate                         1.18%                                      
Debt Instrument, Collateral Amount                         $ 132,247                                   ¥ 924.0  
Short-term bank loans and current portion of long-term bank loans                             72     0.5                            
Long-term bank loans                             101,120     707.0                            
China Construction Bank [Member] | Sinovac Biotech (Yidao) Co., Ltd. | Minimum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage                         2.32%                                   2.32%  
China Construction Bank [Member] | Sinovac Biotech (Yidao) Co., Ltd. | Maximum [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage                         2.77%                                   2.77%  
China Construction Bank [Member] | Yihoo Biotech                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage                       2.45%                                   2.45%    
Line of credit facility, maximum borrowing capacity                       $ 42,924                                   ¥ 300.0    
Debt instrument, description of variable rate basis                       105 basis points                                        
Debt instrument, basis spread on variable rate                       1.05%                                        
Debt Instrument, Collateral Amount                       $ 4,570                                   ¥ 32.0    
Short-term bank loans and current portion of long-term bank loans                             572     4.0                            
Long-term bank loans                             25,447     178.0                            
China CITIC Bank [Member]                                                                
Line of Credit Facility [Line Items]                                                                
Short-term bank loans and current portion of long-term bank loans [8]                             143 0                                
Long-term bank loans [8]                             1,288 $ 0                                
China CITIC Bank [Member] | Sinovac Chengdu                                                                
Line of Credit Facility [Line Items]                                                                
Debt instrument, interest rate, effective percentage             2.45%                                   2.45%              
Line of credit facility, maximum borrowing capacity             $ 28,616                                   ¥ 200.0              
Debt instrument, description of variable rate basis             55 basis points                                                  
Debt instrument, basis spread on variable rate             0.55%                                                  
Short-term bank loans and current portion of long-term bank loans                             143     1.0                            
Long-term bank loans                             $ 1,288     ¥ 9.0                            
[1] On September 23, 2024, Sinovac Beijing entered into a maximum credit facility of $64,386 (RMB450 million) with Bank of China to support its daily operations. The loans bear annual interest rate at 75 to 85 basis points below the prime rate of a one-year term loan published by the People's Bank of China, at 2.15% to 2.35%. Principal installment repayments begin in 2025 and shall be fully repaid by April 16, 2026. As of December 31, 2025, $41,904 (RMB293 million) is recorded in bank loans due within one year.

On March 12, 2025, Sinovac Chengdu entered into a maximum credit facility of $1,431 (RMB10 million) with Bank of China to support its daily operations. The loans bear annual interest rate at 60 basis points below the prime rate of a one-year term loan published by the People's Bank of China, at 2.50%. Principal installment repayments began in 2025 and shall be fully repaid by September 25, 2026. As of December 31, 2025, $1,359 (RMB10 million) is recorded in bank loans due within one year.
[2] On April 14, 2023, Sinovac LS entered into a maximum credit facility of $71,540 (RMB500 million) with Bank of Beijing to support its daily operations. The loans bear annual interest rate at 75 to 80 basis points below the prime rate of a one-year term loan published by the People's Bank of China, ranging from 2.70% to 2.90%. Principal installment repayments begin in 2025 and shall be fully repaid by April 28, 2026. As of December 31, 2025, $28,616 (RMB200 million) is recorded in bank loans due within one year.

On June 27, 2025, Sinovac Beijing entered into a maximum credit facility of $71,540 (RMB500 million) with Bank of Beijing to support its daily operations. The loans bear annual interest rate at 89 basis points below the prime rate of a one-year term loan published by the People's Bank of China, at 2.11%. Principal installment repayments begin in 2026 and shall be fully repaid by June 27, 2026. As of December 31, 2025, $6,868 (RMB48 million) is recorded in bank loans due within one year.
[3] On March 12, 2025, Sinovac Chengdu entered into a maximum credit facility of $7,154 (RMB50 million) with China Minsheng Banking to support its daily operations. The loans bear annual interest rate at 10 basis points below the prime rate of a one-year term loan published by the People's Bank of China, at 3.00%. Principal installment repayments begin in 2026 and shall be fully repaid by May 26, 2026. As of December 31, 2025, $1,431 (RMB10 million) is recorded in bank loans due within one year.
[4] On March 13, 2025, Sinovac Chengdu entered into a maximum credit facility of $4,292 (RMB30 million) with Bank of Chengdu to support its daily operations. The loans bear annual interest rate at 55 basis points below the prime rate of a one-year term loan published by the People's Bank of China, at 2.45% to 2.55%. Principal installment repayments begin in 2026 and shall be fully repaid by June 22, 2026. As of December 31, 2025, $4,292 (RMB30 million) is recorded in bank loans due within one year.
[5] On March 27, 2025, Sinovac Chengdu entered into a maximum credit facility of $715 (RMB5 million) with Chengdu Rural Commercial Bank to support its daily operations. The loans bear annual interest rate at 60 basis points below the prime rate of a one-year term loan published by the People's Bank of China, at 2.50%. Principal installment repayments begin in 2026 and shall be fully repaid by May 26, 2026. As of December 31, 2025, $715 (RMB5 million) is recorded in bank loans due within one year.
[6] On January 22, 2024, Sinovac LS entered into a maximum credit facility of $214,620 (RMB1,500 million) with China Merchants Bank to support its daily operations. The loans bear an annual interest rate at 60 basis points below the prime rate of a one-year term loan published by the People's Bank of China, at 2.40% to 2.85%. Principal installment repayments began in 2024 and shall be fully repaid by April 16, 2027. As of December 31, 2025, $99,245 (RMB694 million) is recorded in bank loans due within one year and $53,626 (RMB375 million) is recorded in long-term bank loans.

On March 7, 2025, Sinovac Beijing entered into a maximum credit facility of $28,616 (RMB200 million) with China Merchants Bank to support its daily operations. The loans bear annual interest rate at 76 to 89 basis points below the prime rate of a one-year term loan published by the People's Bank of China, at 2.11% to 2.24%. Principal installment repayments began in 2025 and shall be fully repaid by September 22, 2027. As of December 31, 2025, $11,462 (RMB80 million) is recorded in bank loans due within one year and $7,140 (RMB50 million) is recorded in long-term bank loans.

On August 13, 2025, Sinovac Chengdu entered into a maximum credit facility of $7,154 (RMB50 million) with China Merchants Bank to support its daily operations. The loans bear annual interest rate at 55 basis points below the prime rate of a one-year term loan published by the People's Bank of China, at 2.45%. Principal installment repayments began in 2026 and shall be fully repaid by December 30, 2026. As of December 31, 2025, $4,007 (RMB28 million) is recorded in bank loans due within one year.
[7] On May 31, 2023, Sinovac Biotech (Yidao) Co., Ltd. entered into a maximum credit facility of $186,004 (RMB1,300 million) with China Construction Bank to finance its purchase of property, plant and equipment, with a term from June 15, 2023 to June 14, 2041. The loan bears annual interest rate at 118 basis points below the prime rate of a five-year term loan published by the People's Bank of China, at 2.32% to 2.77%. Principal installment repayments begin in 2026 and shall be fully repaid by June 14, 2041. As of December 31, 2025, $72 (RMB0.5 million) is recorded in bank loans due within one year and $101,120 (RMB707 million) is recorded in long-term bank loans. Certain prepaid land use rights, properties of Sinovac Biotech (Yidao) Co., Ltd. have been pledged as collateral, with a contractually agreed collateral value of $132,247 (RMB924 million).

On November 29, 2023, Yihoo Biotech Co., Ltd. entered into a maximum credit facility of $42,924 (RMB300 million) with China Construction Bank to finance its purchase of property, plant and equipment, with a term from January 17, 2024 to November 28, 2043. The loan bears annual interest rate at 105 basis points below the prime rate of a five-year term loan published by the People's Bank of China, at 2.45%. Principal installment repayments begin in 2025 and shall be fully repaid by November 28, 2043. As of December 31, 2025, $572 (RMB4 million) is recorded in bank loans due within one year and $25,447 (RMB178 million) is recorded in long-term bank loans. Certain prepaid land use rights of Yihoo Biotech Co., Ltd. have been pledged as collateral, with a contractually agreed collateral value of $4,570 (RMB32 million).

On September 29, 2024, Sinovac Beijing entered into a maximum credit facility of $64,386 (RMB450 million) with China Construction Bank to support its daily operations. The loans bear annual interest rate at 75 to 89 basis points below the prime rate of a one-year term loan published by the People's Bank of China, at 2.11% to 2.35%. Principal installment repayments begin in 2026 and shall be fully repaid by August 20, 2026. As of December 31, 2025, $28,616 (RMB200 million) is recorded in bank loans due within one year.

On January 9, 2025, Sinovac LS entered into a maximum credit facility of $77,006 (RMB538 million) with China Construction Bank to support its acquisition. The loan bears annual interest rate from 94 basis points below the prime rate of a five-year term loan published by the People's Bank of China, at 2.66%. Principal installment repayments begin in 2025 and shall be fully repaid by January 8, 2032. As of December 31, 2025, $72 (RMB0.5 million) is recorded in bank loans due within one year and $76,863 (RMB537 million) is recorded in long-term bank loans.
[8] On January 26, 2025, Sinovac Chengdu entered into a maximum credit facility of $28,616 (RMB200 million) with China CITIC Bank to support its daily operations. The loans bear annual interest rate at 55 basis points below the prime rate of a one-year term loan published by the People's Bank of China, at 2.45%. Principal installment repayments begin in 2026 and shall be fully repaid by July 26, 2028. As of December 31, 2025, $143 (RMB1 million) is recorded in bank loans due within one year and $1,288 (RMB 9 million) is recorded in long-term bank loans.