| Document and Entity Information | Oct. 26, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Amendment Description | On October 26, 2023, Primis Financial Corp. (the “Company”) filed a Current Report on Form 8-K (the “Original Report”) to report its financial results for the third quarter of 2023 within a press release (the “Original Press Release”) furnished as Exhibit 99.1 in the Original Report. The Original Report also included presentation materials (the “Original Investor Presentation”) furnished as Exhibit 99.2 in the Original Report that the Company prepared for use in presentations about the Company’s operations and performance.The Company is filing this Current Report on Form 8-K/A as Amendment No. 1 (this “Amendment”) to the Original Report to include the Company’s amended earnings release (the “Amended Press Release”) in its Item 2.02 disclosure and the Company’s amended presentation materials (the “Amended Investor Presentation”) in its Item 7.01 disclosure. The Amended Press Release and the Amended Investor Presentation replace the Original Press Release and the Original Investor Presentation, respectively, in their entirety. This Amendment does not amend, modify, or supplement the Original Report in any other respect. |
| Document Period End Date | Oct. 26, 2023 |
| Entity Registrant Name | Primis Financial Corp. |
| Entity Central Index Key | 0001325670 |
| Entity Emerging Growth Company | false |
| Entity File Number | 001-33037 |
| Entity Incorporation, State or Country Code | VA |
| Entity Tax Identification Number | 20-1417448 |
| Entity Address, Address Line One | 1676 International Drive, Suite 900 |
| Entity Address, City or Town | McLean |
| Entity Address, State or Province | VA |
| Entity Address, Postal Zip Code | 22101 |
| City Area Code | 703 |
| Local Phone Number | 893-7400 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | COMMON STOCK |
| Trading Symbol | FRST |
| Security Exchange Name | NASDAQ |
