| Document and Entity Information | Nov. 04, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | May 5, 2021 |
| Entity Registrant Name | SilverBow Resources, Inc. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-8754 |
| Entity Tax Identification Number | 20-3940661 |
| Entity Address, Address Line One | 575 North Dairy Ashford |
| Entity Address, Address Line Two | 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.01 per share |
| Trading Symbol | SBOW |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
| Entity Central Index Key | 0000351817 |
