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Summary of Significant Accounting Policies - Summary of Assumptions Used in Option Pricing Model (Details) - Precigen Stock Option Plans
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected dividend yield 0.00% 0.00% 0.00%
Expected volatility, minimum 87.00% 59.00% 58.00%
Expected volatility, maximum 90.00% 90.00% 64.00%
Expected term (years) 6 years   6 years 3 months
Risk-free interest rate, minimum 0.61% 0.36% 1.53%
Risk-free interest rate, maximum 1.33% 1.80% 2.58%
Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term (years)   6 years  
Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term (years)   10 years