Prepaid Land Use Rights, Net - Additional Information (Details) $ in Thousands, ¥ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Nov. 29, 2023 USD ($)	Nov. 29, 2023 CNY (¥)	May 31, 2023 USD ($)	May 31, 2023 CNY (¥)
Use Rights [Member]
Amortization Expense Of Prepaid Land Lease Payments [Line Items]
Amortization expense of prepaid land lease payments	$ 2,261	$ 2,257	$ 2,288
Yihoo Biotech \| China Construction Bank [Member]
Amortization Expense Of Prepaid Land Lease Payments [Line Items]
Debt Instrument, Collateral Amount				$ 4,570	¥ 32
Yihoo Biotech \| China Construction Bank [Member] \| Use Rights [Member]
Amortization Expense Of Prepaid Land Lease Payments [Line Items]
Debt Instrument, Collateral Amount	4,409	4,304
Sinovac Biotech (Yidao) Co., Ltd. \| China Construction Bank [Member]
Amortization Expense Of Prepaid Land Lease Payments [Line Items]
Debt Instrument, Collateral Amount						$ 132,247	¥ 924
Sinovac Biotech (Yidao) Co., Ltd. \| China Construction Bank [Member] \| Use Rights [Member]
Amortization Expense Of Prepaid Land Lease Payments [Line Items]
Debt Instrument, Collateral Amount	$ 18,594	$ 18,654