| Cover | Mar. 03, 2021 |
| Cover [Abstract] | |
| Entity Registrant Name | SilverBow Resources, Inc. |
| Entity Central Index Key | 0000351817 |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Emerging Growth Company | false |
| Document Period End Date | Mar. 3, 2021 |
| Document Fiscal Period Focus | FY |
| Document Fiscal Year Focus | 2021 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-8754 |
| Entity Tax Identification Number | 20-3940661 |
| Entity Address Address Line 1 | 575 North Dairy Ashford |
| Entity Address Address Line 2 | Suite 1200 |
| Entity Address City Or Town | Houston |
| Entity Address State Or Province | TX |
| Entity Address Postal Zip Code | 77079 |
| City Area Code | 281 |
| Local Phone Number | 874-2700 |
| Security 12b Title | Common Stock |
| Trading Symbol | SBOW |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
