| Cover | Aug. 03, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Aug. 3, 2021 |
| Entity Registrant Name | Berry Corporation (bry) |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-38606 |
| Entity Tax Identification Number | 81-5410470 |
| Entity Address, Address Line One | 16000 N. Dallas Parkway |
| Entity Address, Address Line Two | Suite 500 |
| Entity Address, City or Town | Dallas |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 75248 |
| City Area Code | 661 |
| Local Phone Number | 616-3900 |
| 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 $0.001 per share |
| Trading Symbol | BRY |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0001705873 |
| Amendment Flag | false |
