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Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Foreign currency contracts Foreign Exchange Forward [Member] Equity compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent Debt Instrument, Covenant Compliance Debt Instrument, Covenant Compliance State and local taxes, net of federal income tax effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Net (loss) income attributable to DMC Global Inc. stockholders after adjustment of redeemable noncontrolling interest Net Income (Loss) Attributable To Parent, Net Of Adjustment Of Redeemable Noncontrolling Interest Net Income (Loss) Attributable To Parent, Net Of Adjustment Of Redeemable Noncontrolling Interest Current Fiscal Year End Date Current Fiscal Year End Date Number of securities called by each warrant or right (in shares) Class of Warrant or Right, Number of Securities 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Number of Shares Authorized Schedule of Purchased Intangible Assets, Other Than Goodwill Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block] Treasury stock, at cost, and company stock held for deferred compensation, at par; 979,334 and 820,322 shares, respectively Treasury Stock, Common, Value Termination Date Trading Arrangement Termination Date Employees of DMC, DynaEnergetics and NobelClad Share-Based Payment Arrangement, Employee Of DMC, DynaEnergetics And NobelClad [Member] Share-Based Payment Arrangement, Employee Of DMC, DynaEnergetics And NobelClad Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Raw materials Inventory, Raw Materials, Net of Reserves Third anniversary Share-Based Payment Arrangement, Tranche Three [Member] Class of warrant or right, threshold percentage, maximum Class Of Warrant Or Right, Threshold Percentage, Maximum Class Of Warrant Or Right, Threshold Percentage, Maximum 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[Abstract] Expected future amortization of intangible assets Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Other expense Nonoperating Income (Expense) [Abstract] Write-offs charged against the allowance Accounts Receivable, Allowance for Credit Loss, Writeoff Deemed dividend Deemed dividend Deemed dividend Less: Deemed dividend Dividends, Cash Restructuring Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Restructuring Charges Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Stock ownership and benefit plans [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Percentage of qualified compensation, first level, matched by employer Defined Contribution Plan Employer Match Employee Contribution Level One Represents the first level of employee contributions (percentage of compensation) which are matched by the employer. Asset Impairment Asset Impairment [Member] Asset Impairment [Member] Use of Estimates Use of Estimates, Policy [Policy Text Block] Payment of deemed dividend to noncontrolling interest holder Payments of Dividends European line of credit European Line of Credit [Member] Represents the line of credit facility available from Commerzbank. Insider Trading Arrangements [Line Items] Schedule of Operating Lease Assets and Liabilities Operating Lease Assets And Liabilities [Table Text Block] Operating Lease Assets And Liabilities Total liabilities Liabilities Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Additions based on tax positions related to the current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Other Property, Plant and Equipment, Other Types [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Trademarks / Trade names Trademarks and Trade Names [Member] Variable Rate [Axis] Variable Rate [Axis] Consolidation Items [Axis] Consolidation Items [Axis] Counterparty Name [Axis] Counterparty Name [Axis] Summary of the Activity of Nonvested Restricted Stock Units Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member]