| Cover | Jun. 04, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Jan. 14, 2025 |
| Entity Registrant Name | Silvaco Group, Inc. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-42043 |
| Entity Tax Identification Number | 27-1503712 |
| Entity Address, Address Line One | 4701 Patrick Henry Drive |
| Entity Address, Address Line Two | Building #23 |
| Entity Address, City or Town | Santa Clara |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 95054 |
| City Area Code | 408 |
| Local Phone Number | 567-1000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, $0.0001 par value per share |
| Trading Symbol | SVCO |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Amendment Flag | false |
| Entity Central Index Key | 0001943289 |
