Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Document Type Document Type Percentage of settlement installments Litigation Settlement, Amount Awarded from Other Party, Installment Percentage Litigation Settlement, Amount Awarded from Other Party, Installment Percentage Payments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Office furniture and equipment Office Furniture and Equipment [Member] Furniture and equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Stock option award granted (in shares) Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Related Party [Axis] Related Party [Axis] Reporting Unit [Axis] Reporting Unit [Axis] Germany GERMANY Payables and Accruals [Abstract] Payables and Accruals [Abstract] Segments [Axis] Segments [Axis] Industrials Industrials [Member] Industrials Schedule of Vesting Activity of Restricted Stock Unit Awards Share-based Compensation Arrangements by Share-based Payment Award, Restricted Stock Units, Vested and Expected to Vest [Table Text Block] Released (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Payment of contingent consideration for business acquisitions Payments of Contingent Consideration for Business Acquisitions The cash outflow associated with the consideration paid on the achievement of specific performance metrics in connection with acquisition of business during the period. Increase in total number of shares authorized for issuance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Level 3 Fair Value, Inputs, Level 3 [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Amortization of ROU assets Finance Lease, Right-of-Use Asset, Amortization Deferred income taxes Deferred Income Tax Liabilities, Net Debt monthly periodic payments Debt Instrument, Periodic Payment Deferral period of rental payments Operating Lease, Deferral Period Of Rental Payments Operating Lease, Deferral Period Of Rental Payments Security Exchange Name Security Exchange Name Dilutive effect of stock options outstanding (in shares) Incremental Common Shares Attributable to Stock Options Outstanding Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of stock options outstanding. Intangible assets, net Net Carrying Amount Intangible Assets, Net (Excluding Goodwill) Quarter ending December 31, 2020 and decreasing each successive quarter Debt Covenant Period Five [Member] Debt Covenant Period Five Proceeds from borrowings of long-term debt Proceeds from Issuance of Long-term Debt Loss from operations Income (loss) from operations Operating Income (Loss) Payment of financing costs Payments of Debt Issuance Costs Total current liabilities Liabilities, Current Other Other Long Term Debt [Member] Represents details pertaining to other long-term debt of the entity. Less: Foreign currency translation adjustments attributable to noncontrolling interests Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest PRSUs Performance Shares [Member] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Outstanding at the beginning of period (in dollars per share) Outstanding at end of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Variable Rate [Domain] Variable Rate [Domain] Variable Rate [Axis] Variable Rate [Axis] Commitments and contingencies Commitments and Contingencies Total Finance Lease, Liability, Payment, Due Net settlement of restricted stock units Share-based Payment Arrangement, Decrease for Tax Withholding Obligation Anniversary 2 Share-based Payment Arrangement, Tranche Two [Member] ASSETS Assets Assets [Abstract] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Accounting Policies [Abstract] Entity Address, State or Province Entity Address, State or Province Dilutive effect of restricted stock units outstanding (in shares) Incremental Common Shares Attributable to Restricted Stock Units Outstanding Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of restricted stock units outstanding. Restricted stock awards vested (in shares) Released (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Total rent payments Operating - operating cash flows Operating Lease, Payments Accounts payable Accounts Payable, Current Foreign currency translation Goodwill, Foreign Currency Translation Gain (Loss) Impairment Finite-Lived Intangible Assets, Accumulated Impairment Finite-Lived Intangible Assets, Accumulated Impairment Accumulated deficit Retained Earnings (Accumulated Deficit) ROU assets Operating Lease, Right-of-Use Asset Repayment of revolver Repayments of Lines of Credit Quarter ending June 30, 2021 Debt Covenant Period Eight [Member] Debt Covenant Period Eight Schedule of Supplemental Balance Sheet Information Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Services Services [Member] Represents Services, a business segment of the entity. 2022 Lessee, Operating Lease, Liability, to be Paid, Year One 2022 Finance Lease, Liability, to be Paid, Year One Stok option award outstanding (in shares) Outstanding at beginning of period (in shares) Outstanding at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] 2025 Lessee, Operating Lease, Liability, to be Paid, Year Four ROU assets obtained in the exchange for lease liabilities Right-Of-Use Asset Obtained In Exchange For Lease Liability [Abstract] Right-Of-Use Asset Obtained In Exchange For Lease Liability Customer [Axis] Customer [Axis] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Senior Secured Term Loan Senior Secured Term Loan A Facility Term A Loan Facility [Member] Term A Loan Facility Performance condition adjustments (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Increase (Decrease) Adjustments in Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Increase (Decrease) Adjustments in Period Preferred stock, 10,000,000 shares authorized Preferred Stock, Value, Issued Other Other Products and Services [Member] Other Products and Services Diluted (in dollars per share) Diluted loss per share (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Income Taxes Income Tax, Policy [Policy Text Block] Total Lease, Cost Company's Headquarters Building [Member] Other comprehensive loss: Other Comprehensive Income (Loss), Net of Tax [Abstract] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Other long-term liabilities Other Liabilities, Noncurrent Deferred income taxes Deferred Income Tax Assets, Net Expired or forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Repayment of finance lease obligations Finance - financing cash flows Finance Lease, Principal Payments Brazil BRAZIL Liability Class [Axis] Liability Class [Axis] Share-based payments APIC, Share-based Payment Arrangement, Increase for Cost Recognition Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Expired or forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Inventories Inventory, Net Revenue Revenue Revenue from Contract with Customer, Excluding Assessed Tax Denominator: Weighted Average Number of Shares Outstanding, Basic [Abstract] Number of settlement installments Litigation Settlement, Amount Awarded from Other Party, Number Of Installments Litigation Settlement, Amount Awarded from Other Party, Number Of Installments Anniversary 3 Share-based Payment Arrangement, Tranche Three [Member] Thereafter Finance Lease, Liability, To Be Paid, After Year Four Finance Lease, Liability, To Be Paid, After Year Four Geographical [Domain] Geographical [Domain] Amount of purchased commitment to buy products from the buyer on sale of subsidiary Long-term Purchase Commitment, Amount Foreign currency (gain) loss Foreign Currency Transaction Gain (Loss), Realized Statement Statement [Line Items] Accounts Receivable, net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Weighted-average remaining lease term (in years) Weighted Average Remaining Lease Term [Abstract] Weighted Average Remaining Lease Term Debt Covenant Period [Axis] Debt Covenant Period [Axis] Debt Covenant Period [Axis] Due diligence, professional fees and other transaction costs Business Combination, Acquisition Related Costs Options fully vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares Statement [Table] Statement [Table] Statistical Measurement [Axis] Statistical Measurement [Axis] Business Combinations [Abstract] Business Combinations [Abstract] Entity Small Business Entity Small Business Principles of Consolidation Consolidation, Policy [Policy Text Block] Operating Lessee, Operating Lease, Liability, Payment, Due [Abstract] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Thereafter Lessee, Operating Lease, Liability, To Be Paid, After Year Four Lessee, Operating Lease, Liability, To Be Paid, After Year Four Class Action Class Action [Member] Class Action Pension Related Contingencies Withdrawal from Multiemployer Defined Benefit Plan [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Capitalized costs associated with debt modifications Unamortized Debt Issuance Expense Products Products and Systems Products and Systems [Member] Products and Systems Goodwill [Roll Forward] Goodwill [Roll Forward] Amendment Flag Amendment Flag Schedule of Computations of Basic and Diluted Earnings (Loss) per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Weighted-average common shares outstanding: Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Leases Lessee, Finance Leases [Text Block] Total number of shares authorized for issuance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Payments of severance obligations Loss Contingency Accrual, Payments Other accrued expenses Other Accrued Liabilities, Current Number of awards that may be granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Remaining balance under purchase commitment agreement Purchase Commitment, Remaining Minimum Amount Committed Outstanding borrowings Long-term Line of Credit Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Revenue, practical expedient, incremental cost of obtaining a contract, maximum period Revenue, Practical Expedient, Incremental Cost Of Obtaining Contract, Maximum Period Revenue, Practical Expedient, Incremental Cost Of Obtaining Contract, Maximum Period Entity Central Index Key Entity Central Index Key Related Party [Domain] Related Party [Domain] Severance and Labor Disputes Severance and Labor Disputes [Member] Severance and Labor Disputes Software/Technology Computer Software, Intangible Asset [Member] Power generation & Transmission Power Generation and Transmission [Member] Power Generation and Transmission Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Schedule of Net Carrying Amount of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Fixed charge coverage ratio Debt Instrument, Covenant Interest Coverage Ratio Represents the Interest Coverage Ratio required under the terms of the covenants. Geographical [Axis] Geographical [Axis] Subsequent Events Subsequent Events [Text Block] Awards issued (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period Infrastructure, Research & Engineering Infrastructure, Research and Engineering [Member] Infrastructure, Research and Engineering Right to Customer Contracts Right to Customer Contracts [Member] Right to Customer Contracts Segments [Domain] Segments [Domain] Unrecognized compensation costs Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Brazilian Reporting Unit Brazilian Reporting Unit [Member] Brazilian Reporting Unit Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Weighted Average Grant-Date Fair Value (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Current Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding 2023 Lessee, Operating Lease, Liability, to be Paid, Year Two Maximum amount outstanding under the revolving credit facility if prepayment of facility is required Debt Instrument, Covenant, Prepayment of Outstanding Credit Facility Required if Amount Under the Credit Facility Exceeds, Amount Debt Instrument, Covenant, Prepayment of Outstanding Credit Facility Required if Amount Under the Credit Facility Exceeds, Amount Selling, general and administrative expenses Selling, General and Administrative Expense Amortization expense of intangibles Amortization of Intangible Assets Schedule of Components of Lease Costs and Other Information Related to Leases Lease, Cost [Table Text Block] 2024 Lessee, Operating Lease, Liability, to be Paid, Year Three Other assets Other Assets, Noncurrent Plan Name [Axis] Plan Name [Axis] Segment Disclosure Segment Reporting Disclosure [Text Block] Net settlements of restricted stock units (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Accounts receivable, net Accounts receivable, net Past due receivables outstanding Receivables, Net, Current Finance - operating cash flows Finance Lease, Interest Payment on Liability Total assets Total assets Assets Reversal of severance obligations Loss Contingency Accrual, Period Increase (Decrease) Outstanding at beginning of period (in shares) Outstanding at end of period (in shares) Nonvested shares outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Title of 12(b) Security Title of 12(b) Security Disposal Group Classification [Axis] Disposal Group Classification [Axis] Reporting Unit [Domain] Reporting Unit [Domain] Finance Finance Lease, Liability, Payment, Due [Abstract] Income taxes payable Accrued Income Taxes, Current Subsequent Event Type [Axis] Subsequent Event Type [Axis] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Six months ending September 30, 2020 Debt Covenant Period Two [Member] Debt Covenant Period Two Schedule of Maturities of Finance Lease Liabilities Finance Lease, Liability, Fiscal Year Maturity [Table Text Block] Vesting [Domain] Vesting [Domain] Interest expense Interest Expense Depreciation and amortization Depreciation, Depletion and Amortization Other Other Intangible Assets [Member] Product and Service [Axis] Product and Service [Axis] Total liabilities Liabilities Three months ending June 30, 2020 Debt Covenant Period One [Member] Debt Covenant Period One 2016 Plan Long-Term Incentive Plan 2016 [Member] Long-Term Incentive Plan 2016 Weighted-average period over which unrecognized compensation cost is expected to be recognized (years) Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Amount of damages claimed Loss Contingency, Damages Sought, Value Less: Present value discount Lessee, Operating Lease, Liability, Undiscounted Excess Amount Contingent Consideration Contingent Consideration [Member] Contingent Consideration Revenue recognized that was included in contract liability balance at the beginning of the year Contract with Customer, Liability, Revenue Recognized Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Schedule of Fully-vested Common Stock Issued to Non-employee Directors Schedule of Deferred Compensation Arrangement with Individual, Share-based Payments [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Inventories Increase (Decrease) in Inventories Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Restricted Stock Units Awards (Units) Performance Restricted Stock (Units) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Debt Instrument [Axis] Debt Instrument [Axis] Additional paid-in capital Additional Paid-in Capital [Member] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Operating segments Operating Segments [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Adjustments to reconcile net loss to net cash provided by operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Beginning balance (in shares) Ending balance (in shares) Shares, Issued Trade accounts receivable Accounts Receivable, before Allowance for Credit Loss, Current Basic (in dollars per share) Basic loss per share (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Litigation Case [Axis] Litigation Case [Axis] Interest on lease liabilities Finance Lease, Interest Expense Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Machinery and equipment Machinery and Equipment [Member] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Variable lease expense Variable Lease, Cost Senior credit facility Revolving Credit Facility Revolving Credit Facility [Member] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Quarter ending September 30, 2021 and all quarterly periods thereafter Debt Covenant Period Six [Member] Debt Covenant Period Six Contingent consideration payment period based upon achievement of specific performance metrics Business Combination, Contingent Consideration Payment Period Business Combination, Contingent Consideration Payment Period Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Research and engineering Research and Development Expense Subsequent Event Subsequent Event [Member] Outstanding at beginning of period (in dollars per share) Outstanding at end of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Reclassification Reclassification, Comparability Adjustment [Policy Text Block] Outstanding letters of credit Letters of Credit Outstanding, Amount Other Americas Other Americas [Member] Represents the information pertaining to North and South America excluding the United States. Acquisition of business, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Common stock, shares authorized (in shares) Common Stock, Shares Authorized Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Revenue Revenue [Policy Text Block] Schedule of Selected Consolidated Financial Information by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Acquisition and Disposition Related Contingencies Acquisition Related Contingencies [Member] Represents the contingencies pertaining to business acquisitions by the entity. Class Action on Behalf of Employees Class Action on Behalf Of Current And Former Employees [Member] Class Action on Behalf Of Current And Former Employees Income Statement [Abstract] Income Statement [Abstract] Accumulated other comprehensive loss AOCI Attributable to Parent [Member] Requisite service period Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period ROU liability - long-term Operating Lease, Liability, Noncurrent Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Number of performance award metrics Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Award Metrics Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Award Metrics Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Acquisitions Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Current Assets Assets, Current [Abstract] Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Number of units increased (decreased) during the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Other Share Increase (Decrease) Comprehensive loss attributable to Mistras Group, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent 2024 Finance Lease, Liability, to be Paid, Year Three Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Accounts payable Increase (Decrease) in Accounts Payable, Trade Anniversary 4 Share-based Compensation Award, Tranche Four [Member] Share-based Compensation Award, Tranche Four Asia-Pacific Asia Pacific [Member] Purchase of property, plant and equipment Payments to Acquire Property, Plant, and Equipment City Area Code City Area Code Consolidation Items [Domain] Consolidation Items [Domain] Document Period End Date Document Period End Date Long-Term Debt Long-term Debt [Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Non-employee Directors Director [Member] Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Net Loss Net Loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Schedule of Disaggregated Revenues Disaggregation of Revenue [Table Text Block] Loss before benefit for income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Nine months ending December 31, 2020 Debt Covenant Period Three [Member] Debt Covenant Period Three Cumulative goodwill impairment Goodwill, Impaired, Accumulated Impairment Loss Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Impairment of ROU assets Operating Lease, Impairment Loss Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Share-based compensation expense Share-based Payment Arrangement, Noncash Expense Taxes paid related to net share settlement of share-based awards Payment, Tax Withholding, Share-based Payment Arrangement Intangible Assets, Net (Excluding Goodwill) [Abstract] Intangible Assets, Net (Excluding Goodwill) [Abstract] Cover [Abstract] Term of agreement to purchase products from the buyer on sale of subsidiary Long-term Purchase Commitment, Period Goodwill acquired during the period Goodwill, Acquired During Period Intangible Assets Intangible Assets Disclosure [Text Block] Useful Life (Years) Property, Plant and Equipment, Useful Life 2009 Plan Long Term Incentive Plan 2009 [Member] Represents information pertaining to 2009 Long-Term Incentive Plan, which becomes effective upon the closing of the IPO. Foreign Subsidiary Affiliated Entity [Member] Total debt Debt outstanding Long-term Debt Goodwill [Line Items] Goodwill [Line Items] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Leases Lessee, Operating Leases [Text Block] Cost of revenue Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Customer relationships Customer Relationships [Member] Finance lease expense Lease, Cost [Abstract] Number of equity incentive plans Number Of Employee Share-Based Plans Number Of Employee Share-Based Plans Equity Components [Axis] Equity Components [Axis] Restricted Stock Restricted Stock [Member] COVID-19 COVID-19 Pandemic [Member] COVID-19 Pandemic Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Texas Customer Texas Customer [Member] Texas Customer Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Minimum Minimum [Member] Receivables [Abstract] Receivables [Abstract] At all times through September 30, 2021 Debt Covenant Period Four [Member] Debt Covenant Period Four Accrued workers’ compensation and health benefits Accrued Workers Compensation and Health Benefits Current Carrying value as of the balance sheet date of obligations and payables pertaining to workers compensation and health benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle, if longer). Land Land [Member] Property, plant and equipment, net Property, plant and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Right-of-use liability - Operating ROU - current Operating Lease, Liability, Current Unrecognized compensation cost, net of estimated forfeitures Unrecognized compensation cost Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Europe Europe [Member] Finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Foreign currency translation Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Foreign Currency Translation Adjustments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Foreign Currency Translation Adjustments Less: net income (loss) attributable to noncontrolling interests, net of taxes Net Income (Loss) Attributable to Noncontrolling Interest Schedule of Changes in Fair Value of Level 3 Contingent Consideration Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Entity Interactive Data Current Entity Interactive Data Current Foreign Subsidiaries Disposal Of Foreign Subsidiaries [Member] Disposal Of Foreign Subsidiaries [Member] United States UNITED STATES Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Fair Value Measurements Fair Value Disclosures [Text Block] Schedule of Company's Outstanding, Nonvested Restricted Share Units and Performance Restricted Stock Units Share-based Payment Arrangement, Outstanding Award, Activity, Excluding Option [Table Text Block] Schedule of Stock Option Activity Share-based Payment Arrangement, Option, Activity [Table Text Block] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Other Process Industries Other Process Industries [Member] Other Process Industries Customer [Domain] Customer [Domain] Unusual or Infrequent Item, or Both [Axis] Unusual or Infrequent Item, or Both [Axis] Accrued expenses and other liabilities Increase (Decrease) in Other Accrued Liabilities and Deferred Liabilities The increase (decrease) during the reporting period in other expenses incurred but not yet paid and the change during the period in carrying value for all deferred liabilities due within one year or operating cycle. Settlement liability Litigation Settlement, Amount Awarded to Other Party Entity Registrant Name Entity Registrant Name Subsequent Event Type [Domain] Subsequent Event Type [Domain] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating leases Operating Lease, Weighted Average Discount Rate, Percent Purchase of intangible assets Payments to Acquire Intangible Assets and Software The cash outflow to acquire assets without physical form usually arising from contractual or other legal rights, excluding goodwill. In addition, the cash outflow associated with the development, modification or acquisition of software programs or applications for internal use (that is, not to be sold, leased or otherwise marketed to others) that qualify for capitalization. Impairment charges Asset Impairment Charges Proceeds from sale of equipment Proceeds from Sale of Property, Plant, and Equipment Unamortized debt issuance costs Debt Issuance Costs, Net Accrued Expenses and Other Current Liabilities Accrued Liabilities Deferred Revenues and Contingent Consideration Liabilities Current Disclosure [Text Block] The entire disclosure for accrued liabilities, deferred revenues, and the fair value of contingent consideration liabilities at the end of the reporting period. Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Adjustments to fair value of contingent consideration liabilities Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Less: Present value discount Finance Lease, Liability, Undiscounted Excess Amount Consolidation Items [Axis] Consolidation Items [Axis] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Goodwill impairment charge Goodwill, Impairment Loss Total Lessee, Operating Lease, Liability, to be Paid Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Entity Address, Postal Zip Code Entity Address, Postal Zip Code Corp/Elim Corporate and eliminations Corporate And Eliminations [Member] Corporate And Eliminations International International [Member] Represents International, a business segment of the entity. Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Goodwill Balance at December 31, 2020 Balance at March 31, 2021 Goodwill Various Pipeline Projects for Texas Customer Various Pipeline Projects For Texas Customer [Member] Various Pipeline Projects For Texas Customer Executive and Senior Officers Executive and Senior Officers [Member] Represents information pertaining to the executives and senior officers of the reporting entity. Document Transition Report Document Transition Report Title of Individual [Axis] Title of Individual [Axis] Contingent consideration, current portion Business Combination, Contingent Consideration, Liability, Current Operating Lease Arrangement Operating Lease Arrangement [Member] Operating Lease Arrangement Numerator: Net Income (Loss) Attributable to Parent [Abstract] Income taxes payable Increase (Decrease) in Income Taxes Payable Pension accrual Multiemployer Plans, Withdrawal Obligation Consideration received on sale of subsidiary Disposal Group, Including Discontinued Operation, Consideration Buildings and improvements Building and Building Improvements [Member] Document Quarterly Report Document Quarterly Report Liabilities: Liabilities, Fair Value Disclosure [Abstract] Schedule of Changes in Carrying Amount of Goodwill Schedule of Goodwill [Table Text Block] Vesting [Axis] Vesting [Axis] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Noncash investing and financing Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Deferred revenue Contract with Customer, Liability, Current Subsequent Event [Line Items] Subsequent Event [Line Items] Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Number of welds inspected (over) Loss Contingency, Number Of Welds Inspected Loss Contingency, Number Of Welds Inspected Diluted (in shares) Weighted average common shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Revaluation Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Increase (Decrease) Due To Changes In Amount Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Increase (Decrease) Due To Changes In Amount Litigation Case [Domain] Litigation Case [Domain] Number of operating segments Number of Operating Segments Entity File Number Entity File Number European Reporting Unit European Reporting Unit [Member] European Reporting Unit Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Operating leases Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Repayment of long-term debt Repayments of Long-term Debt Settlement amount Litigation Settlement, Amount Awarded from Other Party Recognized share-based compensation expense Recognized share-based compensation expense (benefit) Share-based Payment Arrangement, Expense Accrued expenses and other current liabilities Accrued expenses and other current liabilities Accrued Expenses And Other Liabilities, Current Accrued Expenses And Other Liabilities, Current Common stock, $0.01 par value, 200,000,000 shares authorized, 29,346,562 and 29,234,143 shares issued and outstanding Common Stock, Value, Issued Disposal Group Name [Axis] Disposal Group Name [Axis] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Impairment of intangibles Impairment of Intangible Assets, Finite-lived Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Document Fiscal Year Focus Document Fiscal Year Focus Quarter ending March 31, 2021 Debt Covenant Period Seven [Member] Debt Covenant Period Seven Current portion of long-term debt Less: Current portion Long-term Debt, Current Maturities Schedule of Accounts Receivable, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Entity Current Reporting Status Entity Current Reporting Status 2025 Finance Lease, Liability, to be Paid, Year Four Weighted-average discount rate Weighted Average Discount Rate, Percent [Abstract] Weighted Average Discount Rate, Percent Related Party Transaction [Axis] Related Party Transaction [Axis] Subsequent Event [Table] Subsequent Event [Table] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Non-controlling interests Stockholders' Equity Attributable to Noncontrolling Interest Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Award vesting percentage (ratably on each of the first four anniversary date) Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Common stock, shares issued (in shares) Common Stock, Shares, Issued Cash and cash equivalents Cash balance Cash and Cash Equivalents, at Carrying Value Percentage of reduction of rental payments Operating Lease, Percentage Of Reduction Of Rental Payments Operating Lease, Percentage Of Reduction Of Rental Payments Aerospace & Defense Aerospace and Defense [Member] Aerospace and Defense Total ROU liabilities ROU liabilities Lease liability Operating Lease, Liability Long-term debt, net of current portion Long-term Debt, Excluding Current Maturities Segment Reporting [Abstract] Segment Reporting [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Debt Instrument [Line Items] Debt Instrument [Line Items] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Total Mistras Group, Inc. stockholders’ equity Stockholders' Equity Attributable to Parent Funded debt leverage ratio for acquisitions Debt Instrument, Covenant Temporarily Increase in Funded Debt Leverage Ratio due to Business Acquisitions Debt Instrument, Covenant Temporarily Increase in Funded Debt Leverage Ratio due to Business Acquisitions Total liabilities and equity Liabilities and Equity Litigation Loss Contingencies [Line Items] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Address, City or Town Entity Address, City or Town Depreciation Cost, Depreciation Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Restricted Stock Unit Awards Restricted Stock Units (RSUs) [Member] Performance period (years) Share Based Compensation Arrangement by Share Based Payment Award, Award Performance Period Represents the performance period of the entity, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Operating lease expense Operating Lease, Cost Total Mistras Group, Inc. Stockholders’ Equity Parent [Member] Debt Covenant Period [Domain] Debt Covenant Period [Domain] [Domain] for Debt Covenant Period [Axis] Number or welds not in compliance Loss Contingency, Number Of Welds Alleged Not In Compliance Loss Contingency, Number Of Welds Alleged Not In Compliance Potentially dilutive shares excluded from computation of diluted EPS due to net loss for the period (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Finance leases Finance Lease, Weighted Average Remaining Lease Term Other Other Noncash Income (Expense) Short-term lease expense Short-term Lease, Cost Accretion of liability Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Accretion Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Accretion Useful Life (Years) Finite-Lived Intangible Asset, Useful Life Equity Component [Domain] Equity Component [Domain] Liabilities Liabilities [Abstract] Executive Officers Executive Officer [Member] Claims settled Loss Contingency, Claims Settled, Number Gross profit Gross profit Gross Profit Entity Tax Identification Number Entity Tax Identification Number Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Share-Based Compensation Share-based Payment Arrangement [Text Block] Net loss attributable to Mistras Group, Inc. Net loss attributable to Mistras Group, Inc. Net Income (Loss) Attributable to Parent Obligations under finance leases, net of current portion Finance Lease, Liability, Noncurrent Changes in operating assets and liabilities, net of effect of acquisitions and dispositions Increase (Decrease) in Operating Capital [Abstract] Remainder of 2021 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year LIBOR London Interbank Offered Rate (LIBOR) [Member] Other comprehensive loss, net of tax Other Comprehensive Income (Loss), Net of Tax Funded debt leverage ratio Debt Instrument, Covenant Funded Debt Leverage Ratio for Additional Interest Payment Represents the Funded Debt Leverage Ratio on which the entity will bear an additional interest on debt. Leases [Abstract] Leases [Abstract] Description of Business and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Total current assets Assets, Current Current Fiscal Year End Date Current Fiscal Year End Date Goodwill Goodwill Disclosure [Text Block] Loss per common share Earnings Per Share [Abstract] Lease liability Finance Lease, Liability Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Property, plant and equipment, gross Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Amount deducted from aggregate cash and cash equivalents held by company and it's subsidiaries if prepayment of credit facility is required Debt Instrument, Covenant, Amount Deducted From Aggregate Cash and Cash Equivalents Held By Company and Subsidiaries If Prepayment of Credit Facility is Required Debt Instrument, Covenant, Amount Deducted From Aggregate Cash and Cash Equivalents Held By Company and Subsidiaries If Prepayment of Credit Facility is Required Disposal Group Name [Domain] Disposal Group Name [Domain] Common Stock Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Document Fiscal Period Focus Document Fiscal Period Focus Accumulated depreciation and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Gain on settlement Gain (Loss) Related to Litigation Settlement Supplemental disclosure of cash paid Supplemental Cash Flow Information [Abstract] Entity Filer Category Entity Filer Category Common Stock Common Stock [Member] Property, Plant and Equipment, net Property, Plant and Equipment [Line Items] Oil & Gas Oil & Gas [Member] Oil & Gas Product and Service [Domain] Product and Service [Domain] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Schedule of Acquisition-related Expenses Schedule of Business Combination Acquisition Related Costs [Table Text Block] Tabular disclosure of acquisition-related costs. Finance leases Finance Lease, Weighted Average Discount Rate, Percent Schedule of Property, Plant and Equipment, Net Property, Plant and Equipment [Table Text Block] Number of non-employee directors to whom fully vested common stock is granted Share Based Compensation Arrangement by Share Based Payment Award, Number of Non Employee Directors to whom Award is Granted Represents the number of non-employee directors to whom fully vested common stock is granted. Average share price trading period Share-based Compensation Arrangement by Share-based Payment Award, Average Share Price Trading Period Share-based Compensation Arrangement by Share-based Payment Award, Average Share Price Trading Period Gross Amount Finite-Lived Intangible Assets, Gross Class Action on Behalf of State of California Class Action on Behalf Of State Of California [Member] Class Action on Behalf Of State Of California Potential acquisition-related contingent consideration, low end of range Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low Unusual or Infrequent Item, or Both [Domain] Unusual or Infrequent Item, or Both [Domain] Cash paid for amounts included in the measurement of lease liabilities for finance and operating leases Cash Flow, Lessee [Abstract] Cash Flow, Lessee Interest rate Debt Instrument, Interest Rate, Stated Percentage Equipment acquired through finance lease obligations Lease Obligation Incurred Reserve for past due receivables Accounts Receivable, Credit Loss Expense (Reversal) Revenue, remaining performance obligation, expected timing of satisfaction period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Acquisition-related expense (benefit), net Acquisition-related expense, net Acquisition Related Costs and Fair Value Adjustments to Initial Purchase Price Allocation This element represents acquisition-related costs incurred in connection with business combinations which costs have been expensed during the period. This also includes adjustments to the fair value of the initial purchase price allocation for acquisitions including, but not limited to, changes in contingent consideration liabilities and other liabilities, accounts receivable, inventory, fixed assets, other assets, and other acquisition-related intangible assets. Acquisition-related costs also include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Unbilled revenues accrued Contract with Customer, Asset, after Allowance for Credit Loss, Current Diluted loss per share: Earnings Per Share, Diluted [Abstract] Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Net change in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Acquisitions Business Combination Disclosure [Text Block] ROU finance lease assets Finance Lease, Right-of-Use Asset, after Accumulated Amortization Schedule of Maturities of Operating Lease Liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Schedule of Accrued Expenses and Other Current Liabilities Schedule of Accrued Liabilities Deferred Revenue and Contingent Consideration Liabilities Current [Table Text Block] Tabular disclosure of (a) other payables; (b) accrued liabilities; (c) deferred revenue; and (d) the fair value of contingent consideration liabilities, due within one year or within the normal operating cycle if longer. Stock Options Share-based Payment Arrangement, Option [Member] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Debt covenant, minimum EBITDA, amount Debt Instrument, Covenant, Minimum EBITDA, Amount Debt Instrument, Covenant, Minimum EBITDA, Amount Basic (in shares) Weighted-average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Margin percentage Debt Instrument, Basis Spread on Variable Rate Subsequent Events [Abstract] Subsequent Events [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Plan Name [Domain] Plan Name [Domain] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Excluding Portion Of Comprehensive Income Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Excluding Portion Of Comprehensive Income Attributable to Noncontrolling Interest Maximum amount available for the issuance of letters of credit Line of Credit Facility Maximum Borrowing Capacity Available for Issuance of Letters of Credit Represents the maximum amount of borrowing capacity under the revolving credit facility that is available for the issuance of letters of credit. Revenue Revenue from Contract with Customer [Text Block] Interest, net Interest Paid, Excluding Capitalized Interest, Operating Activities Pro forma funded debt leverage ratio Debt Instrument, Covenant, Pro Forma Funded Debt Leverage Ratio due to Business Acquisitions Debt Instrument, Covenant, Pro Forma Funded Debt Leverage Ratio due to Business Acquisitions Number of consecutive business days Debt Covenant, Number Of Consecutive Business Days Debt Covenant, Number Of Consecutive Business Days Total equity Beginning balance Ending balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Remainder of 2021 Finance Lease, Liability, to be Paid, Remainder of Fiscal Year Additional paid-in capital Additional Paid in Capital Benefit for income taxes Income Tax Expense (Benefit) Income taxes, net of refunds Income Taxes Paid, Net Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Title of Individual [Domain] Title of Individual [Domain] Performance condition adjustments (in dollars per share) Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Adjustments In Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Adjustments In Period, Weighted Average Grant Date Fair Value Current portion of finance lease obligations Finance Lease, Liability, Current Local Phone Number Local Phone Number Anniversary 1 Share-based Payment Arrangement, Tranche One [Member] FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Schedule of Long-term Debt Schedule of Long-term Debt Instruments [Table Text Block] Depreciation and amortization expense Depreciation Entity Address, Address Line One Entity Address, Address Line One Covenants not to compete Noncompete Agreements [Member] Related Party Transaction [Domain] Related Party Transaction [Domain] Entity Emerging Growth Company Entity Emerging Growth Company Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Accrued salaries, wages and related employee benefits Accrued Salaries Wages and Employee Related Benefits Current Carrying value as of the balance sheet date of the obligations incurred through that date and payable for salaries, wages, and related employee benefit. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle, if longer). Potential acquisition-related contingent consideration, high end of range Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Litigation and Commercial Claims Collectibility of Receivables [Member] Legal settlement and litigation charges, net Contingency charges Loss Contingency, Loss in Period Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Award Type [Axis] Award Type [Axis] Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Fair value adjustments to contingent consideration Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities Capitalized debt issuance costs expensed Amortization of Debt Issuance Costs Maximum Maximum [Member] Fair value of awards vested Grant date fair value of awards issued Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Noncontrolling Interest Noncontrolling Interest [Member] Retained earnings (deficit) Retained Earnings [Member] Deferred income taxes Deferred Income Tax Noncash Expense (Benefit) The noncash component of income tax expense for the period representing the increase (decrease) in the entity's deferred tax assets and liabilities pertaining to continuing operations. Number of proceedings Loss Contingency, New Claims Filed, Number Fair value measurements Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Credit Agreement Credit Agreement [Member] Credit Agreement Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Domain] Award Type [Domain] Cash and cash equivalents if prepayment of facility is required Debt Instrument, Covenant, Prepayment of Outstanding Credit Facility Required if Cash and Cash Equivalents Exceeds, Amount Debt Instrument, Covenant, Prepayment of Outstanding Credit Facility Required if Cash and Cash Equivalents Exceeds, Amount Trading Symbol Trading Symbol Disposal Group Classification [Domain] Disposal Group Classification [Domain] Property, Plant and Equipment, net Property, Plant and Equipment Disclosure [Text Block] Last days trading period Share-based Compensation Arrangement by Share-based Payment Award, Last Day Trading Period Share-based Compensation Arrangement by Share-based Payment Award, Last Day Trading Period Earnings (loss) per Share Earnings Per Share [Text Block] Current Liabilities Liabilities, Current [Abstract] Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Entity Shell Company Entity Shell Company Financial information by segment Segment Reporting Information [Line Items] 2023 Finance Lease, Liability, to be Paid, Year Two Segment Disclosure Segment Reporting, Policy [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Proceeds from revolver Proceeds from Lines of Credit Maximum borrowing capacity in non-U.S. Dollar currencies Line Of Credit Facility Maximum Borrowing Capacity In Non US Currencies Represents the maximum borrowing capacity in non-U.S. dollar currencies under the revolving credit facility. Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Basic loss per share Earnings Per Share, Basic [Abstract]