| Document and Entity Information | Jan. 31, 2020 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001356090 |
| Document Type | 8-K/A |
| Document Period End Date | Jan. 31, 2020 |
| Entity Registrant Name | PRECIGEN, INC. |
| Entity Incorporation, State or Country Code | VA |
| Entity File Number | 001-36042 |
| Entity Tax Identification Number | 26-0084895 |
| Entity Address, Address Line One | 20374 Seneca Meadows Parkway |
| Entity Address, City or Town | Germantown |
| Entity Address, State or Province | MD |
| Entity Address, Postal Zip Code | 20876 |
| City Area Code | (301) |
| Local Phone Number | 556-9900 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, No Par Value |
| Trading Symbol | PGEN |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
