Fair Value Measurement - Schedule of Fair Value Measurement Inputs and Valuation Techniques (Details)	Mar. 31, 2025	Mar. 26, 2025	Mar. 24, 2025	Dec. 31, 2024	Mar. 31, 2024
Expected Term (Years) \| 2024 PIPE Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Expected term (in years)	4 years
Expected Term (Years) \| 2025 PIPE Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Expected term (in years)	5 years	5 years
Expected Term (Years) \| Maximum [Member] \| 2024 PIPE Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Expected term (in years)				4 years 3 months 18 days
Expected Term (Years) \| Maximum [Member] \| Tranche Liability
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Expected term (in years)	6 years 7 months 6 days		6 years 7 months 6 days
Expected Term (Years) \| Minimum [Member] \| 2024 PIPE Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Expected term (in years)				6 months
Expected Term (Years) \| Minimum [Member] \| Tranche Liability
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Expected term (in years)	1 year 7 months 6 days		1 year 7 months 6 days
Expected Volatility \| 2024 PIPE Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, Measurement Input	0.55			1
Expected Volatility \| 2025 PIPE Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, Measurement Input	0.55	0.55
Expected Volatility \| Tranche Liability
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, Measurement Input	0.55				0.55
Risk-free interest rate \| 2024 PIPE Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, Measurement Input	0.0389
Risk-free interest rate \| 2025 PIPE Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, Measurement Input	0.04	0.041
Risk-free interest rate \| Maximum [Member] \| 2024 PIPE Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, Measurement Input				0.044
Risk-free interest rate \| Maximum [Member] \| Tranche Liability
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, Measurement Input	0.041		0.043
Risk-free interest rate \| Minimum [Member] \| 2024 PIPE Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, Measurement Input				0.043
Risk-free interest rate \| Minimum [Member] \| Tranche Liability
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, Measurement Input	0.04		0.041
Dividend Yield \| 2024 PIPE Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, Measurement Input	0			0
Dividend Yield \| 2025 PIPE Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, Measurement Input	0	0
Dividend Yield \| Tranche Liability
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, Measurement Input	0		0

Surrozen, Inc./DE 10-Q