Document and Entity Information Document Information [Table] Legal Entity [Axis] Entity [Domain] Represents the Retirement Plan number 001. E B P 001 [Member] 401(k) PROFIT SHARING PLAN 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, Asset [Abstract] ASSETS: 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, Employer Contribution, Receivable Employer contributions EBP, Participant Contribution, Receivable Participant contributions EBP, Receivable Total receivables EBP, Asset Total assets EBP, Liability [Abstract] LIABILITIES: EBP, Excess Contribution Payable Excess contributions payable EBP, Liability Total liabilities EBP, Net Asset Available for Benefit NET ASSETS AVAILABLE FOR BENEFITS - End of year NET ASSETS AVAILABLE FOR BENEFITS - Beginning of year NET ASSETS AVAILABLE FOR BENEFITS Statement of Change in Net Asset Available for Benefit 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 (Decrease) [Abstract] Net assets available for benefits: EBP, Change in Net Asset Available for Benefit, Increase [Abstract] ADDITIONS EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Contributions 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, Excluding Rollover Participant 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 (Decrease) from Income (Loss) on Investment [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 net 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 EBP, Change in Net Asset Available for Benefit, Increase Total additions EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] DEDUCTIONS 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 EBP, Change in Net Asset Available for Benefit, Decrease Total deductions EBP, Change in Net Asset Available for Benefit, Increase (Decrease) NET INCREASE IN NET ASSETS AVAILABLE FOR BENEFITS DESCRIPTION OF THE PLAN EBP, Description of Plan [Table] EBP, Description of Plan [Line Items] DESCRIPTION OF THE PLAN PLAN TERMINATION EBP, Description of Plan [Text Block] DESCRIPTION OF THE 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 RELATED PARTY AND PARTY-IN-INTEREST TRANSACTIONS EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Line Items] RELATED PARTY AND PARTY-IN-INTEREST TRANSACTIONS EBP, Related Party and Party-in-Interest Transactions [Text Block] RELATED PARTY AND PARTY-IN-INTEREST TRANSACTIONS No definition available. PLAN TERMINATION EBP, Plan Termination [Text Block] PLAN TERMINATION FEDERAL INCOME TAX STATUS EBP, Tax Status [Table] EBP, Tax Status [Line Items] FEDERAL INCOME TAX STATUS EBP, Tax Status [Text Block] FEDERAL INCOME TAX STATUS FORM 5500, SCHEDULE H, PART IV, LINE 4a - SCHEDULE OF DELINQUENT PARTICIPANT CONTRIBUTIONS EBP, Schedule of Delinquent Participant Contribution [Table] EBP, Schedule of Delinquent Participant Contribution [Line Items] FORM 5500, SCHEDULE H, PART IV, LINE 4a - SCHEDULE OF DELINQUENT PARTICIPANT CONTRIBUTIONS EBP, Schedule of Delinquent Participant Contribution [Text Block] FORM 5500, SCHEDULE H, PART IV, LINE 4a - SCHEDULE OF DELINQUENT PARTICIPANT CONTRIBUTIONS FORM 5500, SCHEDULE H, PART IV, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Line Items] FORM 5500, SCHEDULE H, PART IV, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) EBP, Schedule of Asset Held for Investment [Text Block] FORM 5500, SCHEDULE H, PART IV, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) EBP, Basis of Accounting [Policy Text Block] Basis of Accounting EBP, Use of Estimate [Policy Text Block] Use of Estimates EBP, Risk and Uncertainty [Policy Text Block] Risk and Uncertainties EBP, Contribution [Policy Text Block] Contributions EBP, Payment to Participant [Policy Text Block] Payment of Benefits EBP, Excess Contribution Payable [Policy Text Block] Excess Contributions Payable Disclosure of accounting policy for income recognition and investment valuation held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Investment Valuation and Income Recognition [Policy Text Block] Investment Valuation and Income Recognition EBP, Expense [Policy Text Block] Administrative Expenses EBP, Note Receivable from Participant [Policy Text Block] Notes Receivable from Participants 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 Represents the minimum service period for plan eligibility under (employee benefit plan (EBP)). Employee Benefit Plan, Minimum Service Period For Plan Eligibility Minimum service period for Plan eligibility EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage Maximum participants contribution as percentage of eligible compensation EBP, Employer Contribution, Matching Percentage Employer matching contribution (as a percent) EBP, Employer Contribution, Participant Compensation Matched, Percentage Percentage of participant eligible compensation Represents the percentage of vesting for each year of credited service under (employee benefit plan (EBP)). Employee Benefit Plan, Vesting Percentage For Each Year Of Credited Service Vesting percentage for each year of credited service Represents the percentage of vesting under (employee benefit plan (EBP)). Employee Benefit Plan, Vesting Percentage Vesting percentage Represents the period of vesting under (employee benefit plan (EBP)). Employee Benefit Plan, Vesting Period Vesting period EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Note receivable, maximum borrowing amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Note receivable, maximum borrowing percentage EBP, Asset Held for Investment, Participant Loan, Interest Rate Loan interest rate The minimum amount that a participant may withdraw as a hardship distribution under the Employee Benefit Plan (EBP). Employee Benefit Plan, Minimum Participant Hardship Withdrawal Amount Minimum participant hardship withdrawal amount EBP, Forfeited Nonvested Account Forfeited non-vested accounts EBP, Forfeited Nonvested Account, Decrease from Employer Contribution Amount of forfeited nonvested accounts used to fund employer matching contributions EBP, Forfeited Nonvested Account, Decrease from Administrative Expense Amount of forfeited nonvested accounts used to fund administrative expenses Investment Type [Axis] Investments [Domain] EBP, Employer, Common Stock [Member] Employer's securities Merit Medical Systems, Inc. common stock EBP, Risk and Uncertainty, Concentration of Investment at Fair Value to Total Investments, Amount Concentration of investment to total investments EBP, Risk and Uncertainty, Concentration of Investment at Fair Value to Total Investments, Percentage Concentration of investment to total investments (as a percent) The amount owed by the employee benefit plan to participants for approved benefit distributions, withdrawals, or payments that have not yet been disbursed as of the reporting date under (employee benefit plan (EBP)). Employee Benefit Plan, Unpaid Participant Distributions Liability Unpaid participant distributions liability Revenue sharing amounts used to offset plan expenses under (employee benefit plan (EBP)). Employee Benefit Plan, Revenue Sharing Amount Used To Offset Plan Expenses Revenue sharing amounts used to offset plan expenses Amount of undistributed administrative revenue balance available for future plan expenses under (employee benefit plan (EBP)). Employee Benefit Plan, Undistributed Administrative Revenue Undistributed administrative revenues EBP, Fair Value, Investment, NAV, Redemption, Notice Period Notification period Interest-Bearing Deposits [Member] Interest bearing cash Mutual Fund [Member] Mutual funds EBP, Self-Directed Brokerage Account [Member] Self-directed brokerage accounts Common Collective Trust [Member] Common-collective trust funds Represents information pertaining to stable value fund. Employee Benefit Plan, Stable Value Fund [Member] Stable value fund Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Fair value Level 1, 2 and 3 Fair Value, Inputs, Level 1 [Member] Level 1 Fair Value Measured at Net Asset Value Per Share [Member] Net asset value EBP, Related Party and Party-in-Interest [Axis] EBP, Related Party and Party-in-Interest [Domain] Employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Employer [Member] Company EBP, Trustee [Member] Fidelity Management Trust Company EBP, Investment, Number of Shares Number of shares EBP, Investment, Excluding Plan Interest in Master Trust, Cost Cost EBP, Investment Acquired, Excluding Plan Interest in Master Trust, Cost Purchases of shares EBP, Investment Sold, Excluding Plan Interest in Master Trust, Selling Price Sales of shares EBP, Schedule of Delinquent Participant Contribution, Transferred Late to Plan Participant Contributions Transferred Late to the Plan Represents information pertaining to participants vesting percentage in the event of plan termination by the company. Employee Benefit Plan, Vesting Percentage In Event Of Termination Vesting percentage in event of termination EBP, Tax Determination Letter, Obtained [true false] Determination letter obtained EBP, Tax Determination Letter, Date Determination letter date EBP, Tax Qualification Status [Extensible Enumeration] Tax qualification status Entity Tax Identification Number EMPLOYER ID NO EBP, Plan Number PLAN NO EBP, Plan Name EBP, Schedule of Delinquent Participant Contribution, Corrected Outside VFCP Contributions Corrected Outside VFCP Investment, Identifier [Axis] EBP, Investment, Issuer Name [Extensible Enumeration] EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Current Value EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Notes receivable from participants, Current Value Amount of deemed distribution to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan Note Receivable From Participant, Deemed Distribution Notes receivable from participants, deemed distribution EBP, Asset Held for Investment Total Assets Held for Investment, Current Value EBP, Asset Held for Investment, Party-in-Interest [true false] EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration]