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Loans Payable (Details) In Thousands, unless otherwise specified | 12 Months Ended | 0 Months Ended | 12 Months Ended |  |  | 12 Months Ended | 0 Months Ended | 12 Months Ended |  |  | 0 Months Ended |  | 12 Months Ended |  |  | 0 Months Ended | 12 Months Ended |  |  |
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Dec. 31, 2013 USD ($) | Dec. 31, 2012 USD ($) | Dec. 31, 2011 USD ($) | Dec. 31, 2013 China Merchants Bank term loan USD ($) | Dec. 31, 2013 China Merchants Bank term loan CNY | Dec. 13, 2012 Industrial and Commercial Bank of China Limited USD ($) | Dec. 13, 2012 Industrial and Commercial Bank of China Limited CNY | Dec. 31, 2013 Industrial and Commercial Bank of China Limited | Dec. 31, 2013 Industrial and Commercial Bank of China Limited CNY | Dec. 31, 2012 Industrial and Commercial Bank of China Limited USD ($) | Dec. 31, 2012 Industrial and Commercial Bank of China Limited CNY | Dec. 10, 2012 Industrial and Commercial Bank of China Limited | Dec. 31, 2013 Industrial and Commercial Bank of China Limited Sinovac Beijing USD ($) | Dec. 31, 2013 Industrial and Commercial Bank of China Limited Sinovac Beijing CNY | Dec. 31, 2013 China Construction Bank - Sinovac Beijing USD ($) | Dec. 31, 2013 China Construction Bank - Sinovac Beijing CNY | Dec. 31, 2012 China Construction Bank - Sinovac Beijing USD ($) | Dec. 31, 2012 China Construction Bank - Sinovac Beijing CNY | Dec. 20, 2013 China Construction Bank Loan for Changping facility USD ($) | Dec. 20, 2013 China Construction Bank Loan for Changping facility CNY | Jun. 20, 2013 China Construction Bank Loan for Changping facility USD ($) | Jun. 20, 2013 China Construction Bank Loan for Changping facility CNY | Dec. 31, 2013 China Construction Bank Loan for Changping facility USD ($) | Dec. 31, 2013 China Construction Bank Loan for Changping facility CNY | Dec. 31, 2012 China Construction Bank Loan for Changping facility USD ($) | Dec. 31, 2013 China Construction Bank Loan for Changping facility Sinovac Beijing USD ($) | Dec. 31, 2013 China Construction Bank Loan for Changping facility Sinovac Beijing CNY | Dec. 31, 2013 Bank of China credit facility USD ($) | Dec. 17, 2012 Bank of China credit facility Sinovac Dalian USD ($) | Dec. 17, 2012 Bank of China credit facility Sinovac Dalian CNY | Sep. 24, 2013 Bank of China term loan Sinovac Dalian USD ($) | Sep. 24, 2013 Bank of China term loan Sinovac Dalian CNY | Mar. 13, 2013 Bank of China term loan Sinovac Dalian USD ($) | Mar. 13, 2013 Bank of China term loan Sinovac Dalian CNY | Dec. 31, 2013 Bank of China term loan Sinovac Dalian USD ($) | Dec. 31, 2013 Bank of China term loan Sinovac Dalian CNY | Dec. 31, 2013 Bank of Beijing Line of Credit USD ($) | Dec. 31, 2013 Bank of Beijing Line of Credit CNY | Dec. 31, 2013 Bank of Beijing loan for Changping facility USD ($) item | Dec. 31, 2012 Bank of Beijing loan for Changping facility USD ($) | Dec. 31, 2013 Bank of Beijing loan for Changping facility CNY | Dec. 31, 2013 Bank of Beijing loan for Changping facility Sinovac Beijing USD ($) | Dec. 31, 2013 Bank of Beijing loan for Changping facility Sinovac Beijing CNY | Dec. 31, 2013 Bank of Beijing Letters of Credit Facility USD ($) | Dec. 31, 2013 Bank of Beijing Letters of Credit Facility CNY | Dec. 31, 2012 Bank of Beijing Letters of Credit Facility USD ($) | Feb. 25, 2013 Beijing Zhongguancun Development Group CNY | Dec. 31, 2013 Beijing Zhongguancun Development Group USD ($) | Dec. 31, 2012 Beijing Zhongguancun Development Group CNY | Dec. 31, 2013 Beijing Zhongguancun Development Group CNY | Feb. 25, 2013 Beijing Zhongguancun Development Group USD ($) | Dec. 31, 2012 Beijing Zhongguancun Development Group USD ($)
Bank Loans and Other Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loan | $ 3,304 |  |  | $ 1,652 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,652 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current portion of long-term debt | 12,913 | 3,329 |  |  |  |  |  |  |  | 3,211 |  |  |  |  | 518 |  | 118 |  |  |  |  |  | 330 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,065 |  |  |  |  |  |  |  |  |  |  |  |  |
Loans payable- current portion | 16,217 | 3,329 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 330 | 2,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Bank Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14,536 | 88,000 | 14,446 |  |  |  |  |  |  |  |  |  |  |  |  |  | 24,130 | 14,892 | 146,000 |  |  |  |  |  |  |  |  |  |  |
Loans payable - non-current portion | 32,146 | 31,181 |  |  |  |  |  |  |  |  |  |  |  |  | 4,145 |  | 1,065 |  |  |  |  |  | 14,206 |  | 14,446 |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,065 | 14,892 |  |  |  |  |  |  |  | 1,730 |  |  |  | 778
Term of debt instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,121 | 31,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate amount over base rate (as a percent) |  |  |  | 10.00% | 10.00% |  |  | 10.00% | 10.00% | 10.00% | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis of interest rate |  |  |  | prime rate of a one-year term loan published by the People's Bank of China | prime rate of a one-year term loan published by the People's Bank of China |  |  | Bank of China's prime rate of a one year term loan | Bank of China's prime rate of a one year term loan | Bank of China's prime rate of a one year term loan | Bank of China's prime rate of a one year term loan |  |  |  | prime lending rate | prime lending rate | prime lending rate | prime lending rate |  |  |  |  | bank prime lending rate adjusted every 12 months | bank prime lending rate adjusted every 12 months | bank prime lending rate adjusted every 12 months |  |  |  |  |  |  |  |  |  |  |  |  |  | bank prime lending rate adjusted every 12 months | bank prime lending rate adjusted every 12 months |  |  |  |  |  |  |  |  |  |  |  |
Term after which variable rate basis is to be adjusted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 months | 12 months | 12 months |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 months | 12 months |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | 1,652 | 10,000 |  |  |  | 20,000 | 3,211 | 20,000 |  |  |  | 8,259 | 50,000 | 8,259 | 50,000 |  |  |  |  |  |  |  |  |  |  | 33,038 | 20,000 |  |  |  |  |  |  | 33,038 | 200,000 |  |  |  |  |  | 13,200 | 80,000 |  |  |  |  |  |  |
Number of installments in which loan is repayable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |
Financing fee rate (as a percent) |  |  |  |  |  |  |  |  |  | 1.20% | 1.20% | 1.456% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current interest rate (as a percent) |  |  |  |  |  |  |  |  |  | 7.80% | 7.80% | 8.672% |  |  | 6.15% | 6.15% | 6.15% | 6.15% |  |  |  |  | 6.40% | 6.40% | 6.90% |  |  |  |  |  |  |  |  |  |  |  |  |  | 6.40% | 6.40% |  |  |  |  |  |  |  | 0.36% |  |  |  |
Percentage of debt repayable in 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of debt repayable in 2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt covenant, debt to total assets ratio not higher than |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 85.00% | 85.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt covenant, current ratio not lower than |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt covenant, contingent liability not higher than |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,032 | 91,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt covenant, gearing ratio not higher than |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.10 | 0.10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount pledged as collateral |  |  |  |  |  |  |  |  |  |  |  |  | 5,600 | 35,000 |  |  |  |  |  |  |  |  |  |  |  | 7,760 | 47,000 |  |  |  |  |  |  |  | 9,911 | 60,000 |  |  |  |  |  | 20,893 | 126,500 |  |  |  |  |  |  |  |  |
Letters of credit issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |  |  |  |
Repayment of debt | 4,089 | 4,755 | 10,659 |  |  |  |  |  |  |  |  |  |  |  | 458 |  |  |  | 165 | 1,000 | 165 | 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |
Amount mature in 2014 | 16,217 | 3,329 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 330 | 2,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,000 | 1,982 |  | 12,000 | 1,982 |
Amount drawn/ received | 16,800 | 16,787 | 11,392 |  |  | 3,211 | 20,000 |  |  |  |  |  |  |  | 3,938 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 826 | 5,000 | 826 | 5,000 |  |  |  |  | 9,238 |  |  |  |  |  |  |  | 6,000 |  | 6,000 |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.40% | 7.40% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership of profits from intellectual property, percentage to which lender is entitled |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.62% |  |  |  |
Effective interest rate used to calculate fair value differential (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6.90% |  |  |  |
Fair value differential |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 383 |  |  |  | 216
Aggregate annual principal payments of loans payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Within 1 year | 16,217 | 3,329 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 330 | 2,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Between 1 and 2 years | 30,416 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Between 2 and 3 years | 1,730 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total | 48,363 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average effective interest rate (as a percent) | 7.00% | 7.00% | 6.60% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest costs incurred, net of interest subsidies received | 2,942 | 1,955 | 1,440 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest costs capitalized in property, plant and equipment | 116 | 1,306 | 252 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest subsidies received |  | $ 1,458 | $ 712 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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