Document and Entity Information Document Information [Table] Legal Entity [Axis] Entity [Domain] Represents the Primis Financial Corp. SBA Defined Contribution Plan for Primis Bank. E B P 002 [Member] SBA Defined Contribution Plan for Primis Bank Document Information [Line Items] Document and Entity Information Document Type Entity Registrant Name Entity Central Index Key Amendment Flag Statements of Net Assets Available for Benefits EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Line Items] Statements of Net Assets Available for Benefits EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Investments at fair value EBP, Receivable [Abstract] Receivables EBP, Note Receivable from Participant Notes receivable from participants EBP, Receivable Receivables, total EBP, Net Asset Available for Benefit End of year Beginning of year Net assets available for benefits Statement of Changes in Net Assets Available for Benefits EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] Statement of Changes in Net Assets Available for Benefits EBP, Change in Net Asset Available for Benefit, Increase [Abstract] Investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Net appreciation in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment Interest and dividends EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment Total investment income EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Interest income on notes receivable from participants Contributions EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Participant EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash Employer EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Rollover EBP, Change in Net Asset Available for Benefit, Increase from Contribution Total contributions EBP, Change in Net Asset Available for Benefit, Increase Total additions EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Deductions from net assets attributed to: EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Benefits paid to participants EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Administrative expenses Administrative services EBP, Change in Net Asset Available for Benefit, Decrease Total deductions EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Net increase EBP, Change in Net Asset Available for Benefit, Increase (Decrease) [Abstract] Net assets available for benefits: Description of Plan EBP, Description of Plan [Table] EBP, Description of Plan [Line Items] Plan Termination Description of Plan EBP, Description of Plan [Text Block] Description of Plan Summary of Significant Accounting Policies EBP, Accounting Policy [Table] EBP, Accounting Policy [Line Items] Summary of Significant Accounting Policies EBP, Summary of Accounting Policy [Text Block] Summary of Significant Accounting Policies Fair Value Measurements EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Line Items] Fair Value Measurements EBP, Investment, Fair Value and NAV [Text Block] Fair Value Measurements Exempt Party-In-Interest Transactions EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Line Items] Exempt Party-In-Interest Transactions EBP, Related Party and Party-in-Interest Transactions [Text Block] Exempt Party-In-Interest Transactions Plan Termination EBP, Plan Termination [Text Block] Plan Termination Tax Status EBP, Tax Status [Table] EBP, Tax Status [Line Items] Tax Status EBP, Tax Status [Text Block] Tax Status Risks and Uncertainties EBP, Risk and Uncertainty [Table] EBP, Risk and Uncertainty [Line Items] Risks and Uncertainties EBP, Risk and Uncertainty [Text Block] Risks and Uncertainties EBP, Schedule of Asset Held for Investment [Abstract] EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] EBP, Schedule of Asset Held for Investment [Table Text Block] EBP, Basis of Accounting [Policy Text Block] Basis of Accounting EBP, Use of Estimate [Policy Text Block] Use of Estimates Disclosure of accounting policy for income recognition and investment valuation held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). EBP, Investment Valuation and Income Recognition [Policy Text Block] Investment Valuation and Income Recognition EBP, Contribution [Policy Text Block] Contributions EBP, Note Receivable from Participant [Policy Text Block] Notes Receivable from Participants EBP, Payment to Participant [Policy Text Block] Payment of Benefits EBP, Expense [Policy Text Block] Administrative Expenses EBP, Investment, Fair Value and NAV [Table Text Block] Schedule of Plan's Assets Fair Value Hierarchy Statistical Measurement [Axis] Statistical Measurement [Domain] Minimum [Member] Minimum Maximum [Member] Maximum EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage Maximum participant contributions (as a percent) EBP, Participant Contribution, Automatic, Deferral Rate Deferral rate (in percent) Percentage of account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) are vested. EBP, Vesting Percentage Vesting percentage Represents the period of years of service required for a participant to become fully vested in employer contributions, expressed in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Employee Benefit Plan Years To Full Vesting Number of years to reach full vesting EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Minimum loan amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Maximum loan amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Maximum vested account balance for loans (as a percent) EBP, Asset Held for Investment, Participant Loan, Interest Rate Interest rate of loan (as a percent) EBP, Forfeited Nonvested Account Forfeited nonvested accounts EBP, Forfeited Nonvested Account, Decrease from Employer Contribution Contributions reduced from forfeited nonvested accounts EBP, Forfeited Nonvested Account, Decrease from Administrative Expense Amount of forfeited nonvested accounts used to pay administrative expenses Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1 [Member] Level 1 Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Level 1, 2 and 3 Investment Type [Axis] Investments [Domain] Mutual Fund [Member] Mutual funds EBP, Employer, Common Stock [Member] Primis common stock Money Market Funds [Member] Money market fund Represents investment in common collective trusts consisting of equity securities in domestic and foreign corporations and various fixed-income securities. There are no unfunded commitments. Certain withdrawals for other than normal benefit payments and participant directed transfers may require up to twelve months' notice. Common Collective Trusts [Member] Common collective trusts Regulated investment instrument that pools funds from multiple investors to invest principally in a portfolio of stable value instruments to match the investment objective. Stable Value Fund [Member] Stable value fund Regulated investment instrument that pools funds from multiple investors to invest in a portfolio of Wilmington Trust MFS instruments to match the investment objective. Wilmington Trust MFS [Member] Wilmington Trust MFS Regulated investment instrument that pools funds from multiple investors to invest in a portfolio of target retirement trust instruments to match the investment objective. Target Retirement Trusts [Member] Target retirement trusts Net asset value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria. EBP, Investment, Net Asset Value, Total Investments measured at net asset value EBP, Fair Value, Investment, NAV, Unfunded Commitment Amount of unfunded commitment Represents the maximum period of advance notice required for withdrawals other than normal benefit payments or participant-directed transfers. EBP, Fair Value, Withdrawal Notice Period, Maximum Maximum withdrawal notice period EBP, Investment, Number of Shares Shares of Company's common stock held (in shares) Scenario [Axis] Scenario [Domain] Scenario, Plan [Member] Plan termination EBP, Tax Determination Letter, Obtained [true false] EBP, Tax Qualification Status [Extensible Enumeration] EBP, Schedule of Asset Held for Investment [Table] Investment, Identifier [Axis] EBP, Schedule of Asset Held for Investment [Line Items] Entity Tax Identification Number Entity Tax Identification Number EBP, Plan Number EBP, Plan Number EBP, Investment, Issuer Name [Extensible Enumeration] EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Asset Held for Investment, Party-in-Interest [true false] EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Asset Held for Investment