| Cover | Mar. 29, 2023 |
| Cover [Abstract] | |
| Entity Registrant Name | Via Renewables, Inc. |
| Entity Central Index Key | 0001606268 |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Emerging Growth Company | false |
| Document Period End Date | Mar. 29, 2023 |
| Entity Incorporation State Country Code | DE |
| Entity Tax Identification Number | 46-5453215 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity File Number | 001-36559 |
| Entity Address Address Line 1 | 12140 Wickchester Ln |
| Entity Address Address Line 2 | Ste 100 |
| Entity Address City Or Town | Houston |
| Entity Address State Or Province | TX |
| Entity Address Postal Zip Code | 77079 |
| City Area Code | 713 |
| Local Phone Number | 600-2600 |
| Security 12b Title | Class A common stock, par value $0.01 per share |
| Trading Symbol | VIA |
| Security Exchange Name | NASDAQ |
