Business Acquisition [Axis] Business Acquisition [Axis] Changes in net contract assets (liabilities) Increase decrease in Net Contract Assets Liabilities The amount of increase(decrease)in net contract assets(liabilities) during the year. Foreign Current Foreign Tax Expense (Benefit) Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Finance lease right-of-use assets Finance Lease, Right-of-Use Asset, after Accumulated Amortization Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Deferred Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Debt Instrument [Axis] Debt Instrument [Axis] Total property and equipment, gross Property, Plant and Equipment, Gross Net present value of minimum lease payments Finance Lease, Liability Number of equity stock based compensation plans (plan) Number Of Equity Stock Based Compensation Represents the number of equity stock based compensation. Assets Servicing Asset [Abstract] Percentage of capital stock from direct foreign subsidiaries Percentage of Capital Stock From Direct Foreign Subsidiaries Percentage of capital stock from direct foreign subsidiaries pledged as collateral for a debt. Bonus Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Bonuses Cash and cash equivalents, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Cash and cash equivalents Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Cash and cash equivalents Interest rate margin Debt Instrument, Basis Spread on Variable Rate 2026 Finance Lease, Liability, to be Paid, Year Four Depreciation and amortization of property and equipment Depreciation and amortization expense Depreciation Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Contract liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Liabilities, Contract With Customer Liability, Net Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Liabilities, Contract With Customer Liability, Net Stated Interest Rate (per annum) Debt Instrument, Interest Rate, Stated Percentage Weighted-average discount rate – operating leases Operating Lease, Weighted Average Discount Rate, Percent Percentage of potential target shares awarded Share Based Compensation Arrangement By Share Based Payment Award Potential Payout As Percentage Of Target Shares The percentage of target shares, an employee can earn, under the plan. Additional paid-in capital Additional Paid in Capital, Common Stock Payroll and incentive compensation Accrued Payroll And Incentive Compensation Current Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided, including obligations incurred and payable for incentive compensation awarded to employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Intangible assets, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles Other non-cash items Other Noncash Income (Expense) Operating lease liabilities Deferred Tax Assets Operating Lease Liabilities A amount of deferred tax assets operating lease liabilities State Current State and Local Tax Expense (Benefit) Income taxes payments Income Taxes Paid 2025 Finance Lease, Liability, to be Paid, Year Three Schedule of Operating And Finance Leases, Disclosure [Table] Lessee, Lease, Description [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive securities excluded from computation of earnings (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Operating Lease Obligations Lessee, Operating Lease, Liability, to be Paid [Abstract] Other Other Receivables, Gross, Current Other income, net Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Schedule of stock options outstanding and exercisable Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block] Equity Component [Domain] Equity Component [Domain] Weighted- Average Remaining Contractual Term Share based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options And Exercisable Weighted Average Remaining Contractual Term2 Weighted average remaining contractual term of outstanding and Exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Secured Debt Secured Debt [Member] IBEW Local 769 Management Pension Plan A Ibew Local769 Management Pension Plan [Member] Ibew Local 769 Management Pension Plan Member Gross increases in current period tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Amortization of right-of-use assets Finance Lease, Right-of-Use Asset, Amortization Finite And Indefinite-Lived Intangible Assets By Major Class [Axis] Finite And Indefinite-Lived Intangible Assets By Major Class [Axis] Finite And Indefinite-Lived Intangible Assets By Major Class Operating And Finance Leases [Line Items] Lessee, Lease, Description [Line Items] Related Party [Domain] Related Party [Domain] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Schedule of net asset position for contracts in process Long-Term Contract or Program Disclosure [Table Text Block] Cash paid during the period for: Supplemental Cash Flow Information [Abstract] Plan Name [Domain] Plan Name [Domain] Borrowings under line of credit Long-Term Line of Credit Entity Address, State or Province Entity Address, State or Province Non-U.S. deferred income tax liabilities Deferred Tax Liabilities, Undistributed Foreign Earnings Weighted- Average Remaining Contractual Term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Award Type [Axis] Award Type [Axis] Current portion of operating lease obligations Operating lease obligations Less: current portion of operating lease obligations Operating Lease, Liability, Current Expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period Lease cost: Lease, Cost [Abstract] Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Long-term debt Long-term principal obligations Long-Term Debt, Excluding Current Maturities San Mateo Country Electrical Construction Industry Retirement Plan San Mateo Country Electrical Construction Industry Retirement Plan [Member] San Mateo Country Electrical Construction Industry Retirement Plan Total liabilities Liabilities Weighted-average remaining lease term – operating leases Operating Lease, Weighted Average Remaining Lease Term Net asset and other adjustments, Measurement Period Adjustments Business Combination Provisional Information Initial Accounting Incomplete Adjustment Preliminary Estimated Net Asset Adjustments Business Combination Provisional Information Initial Accounting Incomplete Adjustment Preliminary Estimated Net Asset Adjustments Options Outstanding and Exercisable Share based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Options Outstanding And Exercisable [Abstract] NA Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Summary of identifiable intangible assets Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Operating lease right-of-use assets Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Lease Right-Of-Use Assets Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Lease Right-Of-Use Assets Increase (decrease) in consolidated gross margin Cost Estimate Revision Gross Margin Increase Decrease Percentage Percentage of increase (decrease) cost estimate revision gross margin. Intrinsic value of common stock at the time of vesting Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Less: Acquired cash, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Cash Acquired Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Cash Acquired Revolving Credit Facility Revolving Credit Facility [Member] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Current Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Document Type Document Type Weighted- Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Estimated Useful Life in Years Property, Plant and Equipment, Useful Life Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Outstanding, beginning of period (in dollars per share) Outstanding, 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 Contract with Customer, Contract Asset, Contract Liability, and Receivable [Abstract] Deferred income tax expense Deferred Income Tax Expense (Benefit) Change in deferred revenue Increase (Decrease) in Deferred Revenue Exercise Price Range [Axis] Exercise Price Range [Axis] Equipment Note 10 Equipment Note Ten [Member] Equipment Note Ten Schedule of contract assets and liabilities from contracts with customers Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Electrical construction Market Type Electrical Construction [Member] Retirement Plan Name [Domain] Retirement Plan Name [Domain] Refundable income taxes, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Income Taxes Receivable Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Income Taxes Receivable Multiemployer Plan [Line Items] Multiemployer Plan [Line Items] Net identifiable assets and liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Certain Performance Targets Certain Performance Targets [Member] Certain Performance Targets Receivable for insurance claims in excess of deductibles Increase (Decrease) in Insurance Settlements Receivable Accounts receivable, Measurement Period Adjustments Business Combination Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Receivable, Net Business Combination Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Receivable, Net Less: write offs, net of recoveries Accounts Receivable, Allowance for Credit Loss, Writeoff Debt Disclosure [Abstract] Debt Disclosure [Abstract] Accounts Receivable and Allowance for Doubtful Accounts Accounts Receivable [Policy Text Block] Total consideration less cash acquired, net of net asset and other adjustments Business Combination, Consideration Transferred, Less Cash Acquired, Net Of Estimated Net Asset Adjustments Business Combination, Consideration Transferred, Less Cash Acquired, Net Of Estimated Net Asset Adjustments Current portion of long-term debt Less: current portion of long-term debt Less: current portion of equipment notes Long-Term Debt, Current Maturities Total amortizable intangible assets Finite-Lived Intangible Assets Acquired Net cash flows used in financing activities Net Cash Provided by (Used in) Financing Activities Variable lease costs Variable Lease, Cost Acquired Finite And Indefinite-Lived Intangible Assets [Line Items] Acquired Finite And Indefinite-Lived Intangible Assets [Line Items] Acquired Finite And Indefinite-Lived Intangible Assets Shareholders’ equity Stockholders' Equity Attributable to Parent [Abstract] Prepaid expenses and other current assets Total prepaid expense and other current assets Prepaid Expense and Other Assets, Current Tax differential on foreign earnings Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Customer [Axis] Customer [Axis] Labor employees covered by collective bargaining agreements Workforce Subject to Collective-Bargaining Arrangements [Member] Finance lease obligations, net of current maturities Finance lease obligations Finance Lease, Liability, Noncurrent Schedule of income tax expense Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Remaining weighted average vesting period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Net identifiable assets and liabilities, Measurement Period Adjustments Business Combination Provisional Information Initial Accounting Incomplete Adjustment Recognized Identifiable Assets Acquired and Liabilities Assumed Excluding Intangible Asset Net Business Combination Provisional Information Initial Accounting Incomplete Adjustment Recognized Identifiable Assets Acquired and Liabilities Assumed Excluding Intangible Asset Net Cash paid Payments to Acquire Businesses, Gross Gross profit Gross Profit Entity Registrant Name Entity Registrant Name Number of equipment notes (equipment note) Debt Instrument Number Of Debt Instruments The number of debt instruments. Profit Sharing and Thrift Employee Benefit Plan Profit Sharing And Thrift Employee Benefit Plan [Member] Exercise price, high end of range Share-Based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit Schedule of allowance for doubtful accounts Schedule Of Roll Forward Activity Of Allowance For Doubtful Accounts [Table Text Block] Tabular disclosure of the roll forward activity of allowance for doubtful accounts. Employee Benefit Plans Retirement Benefits [Text Block] Leases [Abstract] Leases [Abstract] Total shareholders’ equity Balance, beginning of period Total shareholders’ equity Balance, end of period Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Employee Share-Based Payment Arrangement, Employee [Member] Consolidation Consolidation, Policy [Policy Text Block] Contract receivables Construction Contractor, Receivable, Excluding Contract Retainage, Year One Minimum Minimum [Member] Entity Emerging Growth Company Entity Emerging Growth Company Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Contract with Customer, Basis of Pricing [Domain] Contract with Customer, Basis of Pricing [Domain] Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill 2026 Lease, Liability, To Be Paid, Year Four Lease, Liability, To Be Paid, Year Four Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Trading Symbol Trading Symbol Entity File Number Entity File Number Weighted average price for stock repurchase (in dollars per share) Treasury Stock Acquired, Average Cost Per Share Current portion of operating lease obligations, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Operating Lease, Liability, Current Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Operating Lease, Liability, Current 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Four Less: net loss attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Foreign Deferred Foreign Income Tax Expense (Benefit) Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Contract liabilities, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Contract With Customer Liability, Net Current Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Contract With Customer Liability, Net Current Title of Individual [Axis] Title of Individual [Axis] Granted (in shares) Granted at target (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Effective rate Effective Income Tax Rate Reconciliation, Percent Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Use of Estimates Use of Estimates, Policy [Policy Text Block] Acquisition Business Combination Disclosure [Text Block] Current portion of operating lease obligations Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Lease, Liability, Current Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Lease, Liability, Current Accounts payable Increase (Decrease) in Accounts Payable Concentration risk Concentration Risk, Percentage Income Taxes Income Tax Disclosure [Text Block] Non-performance Letters Of Credit Nonperformance Letters Of Credit [Member] Proportionate share of joint venture revenues Revenue from Related Parties Credit Facility [Domain] Credit Facility [Domain] Total intangible assets, Gross Carrying Amount Intangible Assets, Gross (Excluding Goodwill) Preferred stock – $0.01 par value per share; 4,000,000 authorized shares; none issued and outstanding at December 31, 2022 and December 31, 2021 Preferred Stock, Value, Outstanding National Electrical Benefit Fund National Electrical Benefit Fund [Member] National Electrical Benefit Fund Member Basic (in dollars per share) Basic (in dollars per share) Earnings Per Share, Basic Time-vested stock awards Time Vested Stock Awards [Member] Time Vested Stock Awards Member Service period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period General Corporate Corporate, Non-Segment [Member] Accounts payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Segment Reporting, Asset Reconciling Item [Line Items] Segment Reporting, Asset Reconciling Item [Line Items] Accrued loss provision Provision for Loss on Contracts Indefinite-lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Prepaid expenses Prepaid Expense, Current Entity Interactive Data Current Entity Interactive Data Current Non-deductible meals and entertainment Effective Income Tax Rate Reconciliation, Nondeductible Expense, Meals and Entertainment, Percent Finite And Indefinite-Lived Intangible Assets Acquired As Part Of Business Combination [Table] Finite And Indefinite-Lived Intangible Assets Acquired As Part Of Business Combination [Table] Finite And Indefinite-Lived Intangible Assets Acquired As Part Of Business Combination Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] All other plans Other Pension, Postretirement and Supplemental Plans [Member] 2027 Finance Lease, Liability, to be Paid, Year Five Stock issued under compensation plans, net Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Repurchase of common stock Payments for Repurchase of Common Stock Thereafter Long-Term Debt, Maturity, after Year Five Income Taxes Income Tax, Policy [Policy Text Block] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Self-insurance reserves Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Self Insurance Distribution Market Type Distribution [Member] Current assets Assets, Current [Abstract] Summary of supplemental cash flow information Schedule Of Lease Supplemental Cash Flow And Other Disclosures [Table Text Block] Tabular disclosure of lease supplemental cash flow and other disclosures. Total right-of-use lease assets Operating and Finance Lease Right of Use Asset Represent the operating and finance lease right-of-use asset. Receivable for insurance claims in excess of deductibles Insurance Settlements Receivable, Noncurrent Retained earnings Retained Earnings (Accumulated Deficit) Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Trade names Trademarks [Member] Contingencies Excluding Wildfire and Health Insurance Contingencies Excluding Wildfire And Health Insurance [Member] Contingencies Excluding Wildfire and Health Insurance [Member] Earned for performance above target Performance Share Above Target, Net [Member] Performance Share Above Target, Net Document Fiscal Year Focus Document Fiscal Year Focus Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Payment of principal obligations under finance leases Finance Lease, Principal Payments Unit price Unit Price Contract [Member] Profit sharing and thrift plan Other Employee-related Liabilities, Current Loss Contingencies [Table] Loss Contingencies [Table] Current income tax expense Current Income Tax Expense (Benefit) Total minimum lease payments Lease, Liability, To Be Paid Lease, Liability, To Be Paid Stock compensation excess tax benefits Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Percent Stock-based awards Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Uncertain tax positions Effective Income Tax Rate Reconciliation, Tax Settlement, Other, Percent Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Contingent consideration - fair value at acquisitions date, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Contingent Consideration, Liability Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Contingent Consideration, Liability Investment in joint venture Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Goodwill Goodwill Net Carrying Amount Goodwill Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Income tax expense Income tax expense Income Tax Expense (Benefit) Geographical [Domain] Geographical [Domain] Less: valuation allowances Deferred Tax Assets, Valuation Allowance Deferred income tax liabilities Deferred Income Tax Liabilities, Net Entity Public Float Entity Public Float Cash paid, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Payments To Acquire Businesses Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Payments To Acquire Businesses Contract costs Cost of Goods and Services Sold Deferred debt issuance costs Debt Issuance Costs, Line of Credit Arrangements, Net Loss Contingencies [Line Items] Loss Contingencies [Line Items] Total liability for unrecognized tax benefits Unrecognized Tax Benefit Including Tax Interest Accrued The gross amount of unrecognized tax benefits, including interest, pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] 2024 Lease, Liability, To Be Paid, Year Two Lease, Liability, To Be Paid, Year Two Eighth District Electrical Pension Fund Annuity Plan Eighth District Electrical Pension Fund Annuity Plan [Member] Eighth District Electrical Pension Fund Annuity Plan Member Common stock – $0.01 par value per share; 100,000,000 authorized shares; 16,563,767 and 16,870,636 shares issued and outstanding at December 31, 2022 and December 31, 2021, respectively Common Stock, Value, Issued Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Preferred Stock Preferred Stock [Member] Schedule of shares excluded from calculation of dilute securities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Classification of Contract Assets and Liabilities Construction Contractor [Policy Text Block] Beginning of period End of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Current liabilities Current Liabilities, Current [Abstract] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Proceeds from exercise of stock options Proceeds from Stock Options Exercised Contract liabilities Contract liabilities Contract liabilities Contract with Customer, Liability, Current Interest on lease liabilities Finance Lease, Interest Expense MYR Group Inc. Shareholders’ Equity Parent [Member] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Contract loss reserves Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Loss Reserves Amendment Flag Amendment Flag Estimated useful life Finite-Lived Intangible Asset, Useful Life Lease amortization period Lessee, Operating Lease, Remaining Lease Term Operating lease cost Operating Lease, Cost Other comprehensive income (loss) Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Contract retention provision Contract with Customer Retention Provision The rate of retention provision on a contract with customer. Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Deferred income tax liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Other assets Other Assets, Noncurrent IBEW Local Union 1249 Pension Fund IBEW Local Union 1249 Pension Fund [Member] IBEW Local Union 1249 Pension Fund Foreign currency translation, adjustments Finite Lived Intangible Assets Foreign Currency Translation Gain (Loss), Adjusments Finite Lived Intangible Assets Foreign Currency Translation Gain (Loss), Adjusments Goodwill and Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Term and Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Short termination notice of master service agreements Master Service Agreements, Term of Short Termination Notice Short termination notice of master service agreements ("MSAs"), in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact Commitment fee on unused capacity Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Five Schedule of accrued short and long term insurance liabilities Schedule of Loss Contingencies by Contingency [Table Text Block] Accrued Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Schedule of Contractors [Table] Schedule of Contractors [Table] n/a Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Summary of the lease-related assets and liabilities Schedule of Supplemental Balance Sheet Information Related to Leases [Table Text Block] Schedule of supplemental balance sheet information related to leases. Foreign currency translation, net Finite Lived Intangible Assets Foreign Currency Translation Gain (Loss), Net of Adjustments Finite Lived Intangible Assets Foreign Currency Translation Gain (Loss), Net of Adjustments Operating cash flows from operating leases Operating Lease, Payments Stock Options Share-Based Payment Arrangement, Option [Member] Domestic Plan [Member] Domestic Plan [Member] Net contract assets Net Contract Assets Liabilities The amount of net contract assets(liabilities) as at balance sheet period. Accounts receivable, allowance Less: allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Common stock, shares authorized (in shares) Common Stock, Shares Authorized Accrued income taxes Accrued Income Taxes, Current Maximum Maximum [Member] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Settlement of stock repurchase program Stock Repurchased and Retired During Period, Value Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Contract liabilities Changes in contract liabilities Increase (Decrease) in Contract with Customer, Liability T&E Te Contract [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Non-U.S. intangible assets — tax over book amortization Deferred Tax Liabilities, Goodwill And Intangible Assets, Foreign Intangible Assets Deferred Tax Liabilities, Goodwill And Intangible Assets, Foreign Intangible Assets Multiemployer Plan [Table] Multiemployer Plan [Table] Shares repurchased (in shares) Shares repurchased (in shares) Stock Repurchased and Retired During Period, Shares Accounts receivable, net Increase (Decrease) in Accounts Receivable Title of 12(b) Security Title of 12(b) Security Total acquired assets and liabilities, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment Recognized Identifiable Assets Acquired, Intangible Asses Excluding Goodwill, and Liabilities Assumed, Net Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment Recognized Identifiable Assets Acquired, Intangible Asses Excluding Goodwill, and Liabilities Assumed, Net Schedule of liability for unrecognized tax benefits reconciliation Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Segment Information Segment Reporting Disclosure [Text Block] Commitments and Contingencies Commitments Contingencies and Guarantees [Text Block] Schedule of goodwill and intangible assets Schedule of Intangible Assets and Goodwill [Table Text Block] Net deferred income taxes Deferred Tax Liabilities, Net Current portion of finance lease obligations, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Finance Lease Obligations, Current Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Finance Lease Obligations, Current Weighted average number of common shares and potential common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Accounts payable Accounts Payable, Current Property and equipment, accumulated depreciation Less: accumulated depreciation and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Option to extend lease term (up to) Lessee Operating and Finance Leases Option to Extend Term Lessee, operating and finance leases, option to extend, term. Other equipment note Other Equipment Note [Member] Other Equipment Note Basic (in shares) Weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Balance at beginning of period Balance at end of period Loss Contingency Accrual Right-of-use operating lease assets Deferred Tax Liability Right-of-Use Operating Lease Assets Deferred Tax Liability Right-of-Use Operating Lease Assets Earned (forfeited) for performance above or below target (in dollars per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instrument Other Than Option, Period Increase (Decrease), Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instrument Other Than Option, Period Increase (Decrease), Weighted Average Grant Date Fair Value Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Leases Lessee, Leases [Policy Text Block] Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Balance at beginning of period Balance at end of period Accounts Receivable, Allowance for Credit Loss Backlog Order or Production Backlog [Member] Below market lease Leases, Acquired-in-Place, Market Adjustment [Member] Noncontrolling Interest Noncontrolling Interest [Member] Term (years) Debt instrument term Debt Instrument, Term Schedule of net deferred tax assets and (liabilities) Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Financing component Lease, Liability, Undiscounted Excess Amount Lease, Liability, Undiscounted Excess Amount Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Related Party [Axis] Related Party [Axis] Land Land [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Cash paid for acquisitions, net of cash acquired Cash consideration paid, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Goodwill and intangibles expected tax deductible amount Business Acquisition, Goodwill, Expected Tax Deductible Amount Current Fiscal Year End Date Current Fiscal Year End Date Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Intangible assets, net of accumulated amortization of $25,439 and $16,779, respectively Total intangible assets, Net Carrying Amount Intangible Assets, Net (Excluding Goodwill) Current portion of finance lease obligations Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Liabilities, Finance Lease Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Liabilities, Finance Lease Gain on sale of property and equipment Gain on sale of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Concentration Risk Type [Axis] Concentration Risk Type [Axis] Total current liabilities Liabilities, Current Schedule of accounts receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Customer Concentration Risk Customer Concentration Risk [Member] Net Period [Domain] Net Period [Domain] Remaining performance obligations Revenue, Remaining Performance Obligation, Amount Award expiration period Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Other income (expense): Nonoperating Income (Expense) [Abstract] Top Ten Customers Top Ten Customers [Member] Top Ten Customers Member Revenue from Contract with Customer Revenue from Contract with Customer Benchmark [Member] Exercise price, low end of range Share-Based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit Unallocated intangible assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Intangible Assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Intangible Assets Other financing activities Proceeds from (Payments for) Other Financing Activities Share-based Payment Arrangement, Option, Exercise Price Range [Table] Share-Based Payment Arrangement, Option, Exercise Price Range [Table] Contracts Accounted for under Percentage of Completion Contracts Accounted for under Percentage of Completion [Member] Weighted-average remaining lease term – finance leases Finance Lease, Weighted Average Remaining Lease Term Unbilled revenue, net Unbilled revenue, net Unbilled Contracts Receivable Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Net asset position for contracts in process Net Costs And Estimated Earnings In Excess Of Billings Represents the net costs and estimated earnings in excess of billings on uncompleted contracts accounted for under the percentage-of-completion method. Credit Facility [Axis] Credit Facility [Axis] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Entity Tax Identification Number Entity Tax Identification Number Number of shares permitted for granting (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Accrued self-insurance Self Insurance Reserve, Noncurrent Schedule of depreciation and amortization by segment Schedule Of Segment Reporting Information Related To Allocation Of Depreciation And Amortization By Segment [Table Text Block] Tabular disclosure of total depreciation and amortization for each reportable segment. Multiemployer Plan, Employer Contribution, Cost [Abstract] Multiemployer Plan, Employer Contribution, Cost [Abstract] Shares repurchased related to tax withholding for stock-based compensation (in shares) Shares repurchased related to tax withholding for stock-based compensation (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Stock issued - other (in shares) Stock Issued During Period, Shares, Other 2023 Lease, Liability, To Be Paid, One Year Lease, Liability, To Be Paid, One Year Bonds outstanding Guarantor Obligations, Maximum Exposure, Undiscounted Finance lease obligations, net of current maturities, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Finance Lease Obligations, Net Of Current Maturities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Finance Lease Obligations, Net Of Current Maturities Schedule of effective tax rate reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Debt instrument restricted maximum liquidity Debt Instrument Restricted Maximum Liquidity Amount of company's consolidated liquidity restricted. Entity Central Index Key Entity Central Index Key Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Interest income Investment Income, Interest Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Shares repurchased related to tax withholding for stock-based compensation Shares repurchased related to tax withholding for stock-based compensation Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Total current obligations Less: current portion of operating lease obligations Lease Liability Current Amount of lease liability classified as current. Provision to return adjustments, net Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent Concentrations Concentration Risk, Credit Risk, Policy [Policy Text Block] 2027 Lease, Liability, To Be Paid, Year Five Lease, Liability, To Be Paid, Year Five City Area Code City Area Code ASSETS Assets [Abstract] Thereafter Lease, Liability, To Be Paid, After Year Five Lease, Liability, To Be Paid, After Year Five Notes Payable to Banks Notes Payable to Banks [Member] Costs and estimated earnings on uncompleted contracts Aggregate Costs Incurred On Uncompleted Contracts And Estimated Earnings Represents the aggregate of costs incurred on uncompleted contracts and estimated earnings. Schedule of prepaid expense and other current assets Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Cash and cash equivalents: Cash and Cash Equivalents, at Carrying Value [Abstract] Earnings Per Share Earnings Per Share, Policy [Policy Text Block] 2023 Long-Term Debt, Maturity, Year One Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Stock issued – other Stock Issued During Period, Value, Other Variable Rate [Axis] Variable Rate [Axis] Other liabilities Other Liabilities, Noncurrent Other liabilities Increase (Decrease) in Other Operating Liabilities Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Depreciation and amortization Depreciation, Depletion and Amortization [Abstract] 2023 Finite-Lived Intangible Asset, Expected Amortization, Year One Thereafter Finance Lease, Liability, to be Paid, after Year Five Schedule of weighted average number of common shares used to compute basic and dilute earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Number Of Options (in shares) Share based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding And Exercisable Options The number of shares reserved for issuance pertaining to the outstanding and exercisable stock options as of the balance sheet date for all option plans in the customized range of exercise prices. Right-of-use asset obtained in exchange for new operating lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability National Electrical Annuity Plan National Electrical Annuity Plan [Member] National Electrical Annuity Plan Member Other Postretirement Benefits Plan Other Postretirement Benefits Plan [Member] Change in accrued loss provision Increase Decrease In Accrued loss provision The increase (decrease) during the reporting period of the amount of accrued loss provision. Customer [Domain] Customer [Domain] Total non-current obligations Lease Liability Noncurrent Amount of lease liability classified as noncurrent. Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Minimum lease payments required Total minimum lease payments Lessee, Operating Lease, Liability, to be Paid Net income Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Changes in contract retainages, net Increase (Decrease) In Contract Receivable Retainage The increase (decrease) during the reporting period of the amount of contract receivable retainage. Entity Address, Postal Zip Code Entity Address, Postal Zip Code Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] 2024 Long-Term Debt, Maturity, Year Two Audit Information [Abstract] Audit Information Employees Employees [Member] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Prepaid expenses and other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Property and equipment — tax over book depreciation Deferred Tax Liabilities, Property, Plant and Equipment Total intangible assets Finite And Indefinite-Lived Intangible Assets Acquired Finite And Indefinite-Lived Intangible Assets Acquired Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Insurance Program Obligations Insurance Program Obligations [Member] Insurance Program Obligations Changes in contract liabilities Increase (Decrease) in Payables to Customers Statistical Measurement [Domain] Statistical Measurement [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Reductions in tax positions due to lapse of statutory limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Operating lease obligations, net of current maturities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Lease, Liability, Noncurrent Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Lease, Liability, Noncurrent Schedule of acquisition Schedule of Business Acquisitions, by Acquisition [Table Text Block] Revolving Loans and Letters of Credit Revolving Loans And Letters Of Credit [Member] Revolving Loans And Letters Of Credit Property and equipment, net of accumulated depreciation of $351,753 and $322,128, respectively Property and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Net income attributable to MYR Group Inc. Increase (decrease) in net income Net income attributable to MYR Group Net Income (Loss) Attributable to Parent Contingent Consideration by Type [Axis] Contingent Consideration by Type [Axis] Lease Obligations Lessee, Finance Leases [Text Block] Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Schedule of remaining principal payments for long term obligations Schedule of Maturities of Long-Term Debt [Table Text Block] Accounts receivable, gross current Accounts Receivable, before Allowance for Credit Loss, Current Change in foreign currency translation Allowance For Doubtful Accounts Receivable Foreign Currency Translation Adjustments Amount of foreign currency translation adjustments of accounts receivable charged against the allowance. Lease Obligations Lessee, Operating Leases [Text Block] Plan Name [Axis] Plan Name [Axis] Accounts payable, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Payable Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Payable Southern California IBEW-NECA Pension Trust Fund Southern California Ibew Neca Pension Trust Fund [Member] Represents the information pertaining to Southern California IBEW-NECA Pension Trust Fund. Amortizable Intangible Assets Finite-Lived Intangible Assets, Net [Abstract] Range Of Exercise Prices From Dollars 24.68 To 24.68 Range Of Exercise Prices From Dollars Twenty Four Point Sixty Eight To Twenty Four Point Sixty Eight [Member] Range Of Exercise Prices From Dollars Twenty Four Point Sixty Eight To Twenty Four Point Sixty Eight Member Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Schedule of other current liabilities Other Current Liabilities [Table Text Block] Denominator: Weighted Average Number of Shares Outstanding, Basic [Abstract] Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Net cash flows provided by operating activities Net Cash Provided by (Used in) Operating Activities Total acquired assets and liabilities Business Combination, Recognized Identifiable Assets Acquired, Intangible Assets Excluding Goodwill, And Liabilities Assumed, Net Business Combination, Recognized Identifiable Assets Acquired, Intangible Assets Excluding Goodwill, And Liabilities Assumed, Net Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Axis] Number of local unions (union) Number Of Local Unions Represents the number of local unions. Contract Assets and Liabilities Long-Term Contracts or Programs Disclosure [Text Block] Receivables [Abstract] Receivables [Abstract] Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate by Type [Axis] Document Annual Report Document Annual Report Liability Class [Axis] Liability Class [Axis] Weighted average interest rate Line of Credit Facility, Interest Rate During Period Change in Accounting Estimate, Type [Domain] Change in Accounting Estimate, Type [Domain] Accounts Receivable Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Subsidiaries Subsidiaries [Member] Organization Consolidation and Presentation of Financial Statements [Table] Organization Consolidation and Presentation of Financial Statements [Table] Geographical [Axis] Geographical [Axis] Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Accrued vacation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Compensated Absences Schedule of property and equipment Property, Plant and Equipment [Table Text Block] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Supplemental Cash Flow Information: Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract] Segments [Axis] Segments [Axis] Debt Debt Disclosure [Text Block] Unallocated intangible assets, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Unallocated Intangible Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Unallocated Intangible Assets Entity Shell Company Entity Shell Company 2025 Lease, Liability, To Be Paid, Year Three Lease, Liability, To Be Paid, Year Three 2023 Lessee, Operating Lease, Liability, to be Paid, Year One Refundable income taxes Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Assets, Income Taxes Receivable Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Assets, Income Taxes Receivable Operating lease right-of-use asset, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Operating Lease Right-Of-Use Asset Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Operating Lease Right-Of-Use Assets 2025 Long-Term Debt, Maturity, Year Three Operating lease obligations, net of current maturities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Operating Lease, Liability, Noncurrent Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Operating Lease, Liability, Noncurrent Consolidation Items [Domain] Consolidation Items [Domain] Revenue Benchmark Revenue Benchmark [Member] Nonemployee Share-Based Payment Arrangement, Nonemployee [Member] Net Carrying Amount Finite Lived Intangible Assets, Net, At Foreign Currency Translation Rate At Acquisition Date Finite Lived Intangible Assets, Net, At Foreign Currency Translation Rate At Acquisition Date Document Period End Date Document Period End Date Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] Prepaid Expenses and Other Current Assets Other Current Assets [Text Block] Total assets Identifiable assets Assets Union dues and benefits Accrued Union Dues And Benefit Carrying value as of the balance sheet date of the obligations incurred through that date and payable for union dues and benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Income per common share attributable to MYR Group Inc.: Earnings Per Share [Abstract] Earnings Per Share [Abstract] Equipment Note 8 Equipment Note Eight [Member] Represents the information pertaining to equipment Note 8. Antidilutive Securities [Axis] Antidilutive Securities [Axis] Performance awards Performance Shares [Member] Current portion of receivable for insurance claims in excess of deductibles Insurance Settlements Receivable, Current Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price 2027 Lessee, Operating Lease, Liability, to be Paid, Year Five Share repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Total Lease Obligations Total Lease Obligations [Abstract] Total Lease Obligations Income before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Segments [Domain] Segments [Domain] Deferred income taxes Deferred Income Taxes and Tax Credits Earnings Per Share Earnings Per Share [Text Block] Other Deferred Tax Liabilities, Other Gross Carrying Amount Goodwill, Gross Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Total comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Equity Award [Domain] Award Type [Domain] Award Type [Domain] Grantee Status [Axis] Grantee Status [Axis] Term of master service agreements Master Service Agreements, Term Term of master service agreements ("MSAs"), in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Refundable income taxes Income Taxes Receivable, Current Schedule of individually significant multi-employer plans and in aggregate other plans Multiemployer Plan [Table Text Block] Goodwill, Foreign currency translation Goodwill, Foreign Currency Translation Gain (Loss) Government assistance, amount Government Assistance, Amount Contingent earn-out consideration, post acquisition term Business Combination, Contingent Consideration Arrangements, Performance Objectives, Post-Acquisition Period Business Combination, Contingent Consideration Arrangements, Performance Objectives, Post-Acquisition Period Schedule Of Intangible Assets And Goodwill [Line Items] Schedule Of Intangible Assets And Goodwill [Line Items] Customer relationships Customer Relationships [Member] Entity Address, City or Town Entity Address, City or Town Insurance Claims Insurance Claims [Member] Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] Canadian Emergency Wage Subsidy Government Assistance [Policy Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Non-U.S. operating loss Deferred Tax Assets, Operating Loss Carryforwards, Foreign Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Auditor Name Auditor Name Multiemployer Plans, Pension Pension Plan [Member] Summary of the lease terms and discount rates Schedule Of Summary Of The Lease Terms And Discount Rates [Table Text Block] Schedule of summary of the lease terms and discount rates. Canada CANADA Long-Term Incentive Plan Longterm Incentive Plan [Member] Purchase orders outstanding, term Purchase Commitment Remaining Term The terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations. Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Organization Consolidation and Presentation of Financial Statements [Line Items] Organization Consolidation and Presentation of Financial Statements [Line Items] London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] Net Period [Axis] Net Period [Axis] Total consideration, net of estimated net asset adjustments Business Combination, Consideration Transferred, Net Of Estimated Net Asset Adjustments Business Combination, Consideration Transferred, Net Of Estimated Net Asset Adjustments State Deferred State and Local Income Tax Expense (Benefit) Amortization of intangible assets Intangible asset amortization Amortization of Intangible Assets Interest payments Interest Paid, Excluding Capitalized Interest, Operating Activities Master Loan Agreement Master Loan Agreement [Member] Master Loan Agreement [Member]. Weighted-Average Exercise Price (in dollars per share) Share based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding And Exercisable Options Weighted Average Exercise Price The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding and exercisable stock options which are in the customized range of exercise prices. 2025 Lessee, Operating Lease, Liability, to be Paid, Year Three Net asset and other adjustments Business Combination Preliminary Estimated Net Asset Adjustments Amount of preliminary estimated net asset adjustments consisting of acquisition-date fair value. Concentration Risk Type [Domain] Concentration Risk Type [Domain] Schedule of amount of the remaining performance obligations that the company reasonably estimates will not be recognized within the next twelve months Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Right-of-use asset obtained in exchange for new finance lease obligations Right-of-Use Asset Obtained in Exchange for Finance Lease Liability 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 Other Deferred Tax Assets, Other Goodwill, Measurement Period Adjustments Business Combination Provisional Information Initial Accounting Incomplete Adjustment Goodwill Business Combination Provisional Information Initial Accounting Incomplete Adjustment Goodwill Intangible assets, accumulated amortization Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Numerator: Net Income (Loss) Attributable to Parent [Abstract] 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Three Property and equipment, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment 2027 Long-Term Debt, Maturity, Year Five Retained Earnings Retained Earnings [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Total lease cost Lease, Cost Common Stock Common Stock [Member] Number of business segments (segment) Number of Reportable Segments Schedule of lease costs Lease, Cost [Table Text Block] Contingent consideration - fair value at acquisition date Business Combination, Contingent Consideration, Liability Schedule of time-vested stock awards activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Statement [Table] Statement [Table] Vested (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 Schedule of performance share award activity Schedule of Nonvested Performance-Based Units Activity [Table Text Block] Letter of Credit Letter of Credit [Member] Operating lease obligations, net of current maturities Operating lease obligations Long-term operating lease obligations Operating Lease, Liability, Noncurrent Contributions to benefit plans Defined Contribution Plan, Cost Statistical Measurement [Axis] Statistical Measurement [Axis] Indefinite-lived Intangible Assets Indefinite-Lived Intangible Assets (Excluding Goodwill) Grantee Status [Domain] Grantee Status [Domain] Accounts receivable, net of allowances of $2,073 and $2,441, respectively Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Equity Components [Axis] Equity Components [Axis] Expired (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Statement [Line Items] Statement [Line Items] Outstanding, beginning of period (in shares) Outstanding, end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Variable Rate [Domain] Variable Rate [Domain] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Selling, general and administrative expenses Selling, General and Administrative Expense Prepaid expenses and other current assets, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Prepaid Expenses And Other Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Prepaid Expenses And Other Assets Change in contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Debt instrument covenant leveraged debt ratio restriction Debt Instrument Covenant Leveraged Debt Ratio Restriction Threshold of debt coverage ration at which the credit agreement restricts certain types of payments. Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Auditor Firm ID Auditor Firm ID Document Transition Report Document Transition Report Local Phone Number Local Phone Number Schedule of stock option activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Income from operations Increase (decrease) in operating income Income from operations Operating Income (Loss) Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] IBEW Local 332 Pension Plan Part A IBEW Local 332 Pension Plan Part A [Member] IBEW Local 332 Pension Plan Part A Credit Agreement Credit Agreement [Member] Credit Agreement [Member]. Finite And Indefinite-Lived Intangible Assets By Major Class [Domain] Finite And Indefinite-Lived Intangible Assets By Major Class [Domain] Finite And Indefinite-Lived Intangible Assets By Major Class [Domain] Indefinite-lived Intangible Assets, Foreign currency translation Indefinite-Lived Intangible Assets, Foreign Currency Translation Gain (Loss) Total intangible assets Indefinite-Lived Intangible Assets Acquired Adjustments to reconcile net income to net cash flows provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share 2026 Lessee, Operating Lease, Liability, to be Paid, Year Four Changes in unbilled revenue, net Revenue From Contract With Customer Increase (Decrease) In Unbilled Receivables The amount of contract with customer, increase (decrease) during the reporting period of the amount of revenue for work performed for which billing has not occurred, net of uncollectible accounts. Income Statement [Abstract] Income Statement [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) Total consideration less cash acquired, net of net asset and other adjustments, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred, Less Cash Acquired Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred, Less Cash Acquired Additional Paid-In Capital Additional Paid-in Capital [Member] Document Fiscal Period Focus Document Fiscal Period Focus Intrinsic value of options exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Stock options outstanding Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Abstract] na Diluted (in shares) Weighted average common shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] T&D Transmission And Distribution [Member] Buildings and improvements Building and Building Improvements [Member] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Base Rate Base Rate [Member] Deferred revenue Deferred revenue Contract With Customer Liability Excluding Provision For Loss On Contracts Current Its represent the contract with customer, liability excluding provision for loss on contracts, current. Granted (in dollars per shares) Granted at target (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 Margin Guarantee Margin Guarantee [Member] Operating Segments Operating Segments [Member] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Product Concentration Risk Product Concentration Risk [Member] Reduction of unrecognized tax benefits Decrease in Unrecognized Tax Benefits is Reasonably Possible Less: net loss attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Accumulated Amortization Goodwill, Impaired, Accumulated Impairment Loss Common stock, shares issued (in shares) Common Stock, Shares, Issued Current portion of accrued self-insurance Self Insurance Reserve, Current Acquisition of property and equipment for which payment is pending Capital Expenditures Incurred but Not yet Paid Foreign currency gain (loss) Foreign Currency Transaction Gain (Loss), before Tax Acquisition related costs Business Combination, Acquisition Related Costs Amortizable Intangible Assets, Foreign currency translation Finite-Lived Intangible Assets, Foreign Currency Translation Gain (Loss) Current portion of finance lease obligations Finance lease obligations Less: current portion of operating lease obligations Finance Lease, Liability, Current Net cash flows used in investing activities Net Cash Provided by (Used in) Investing Activities Accrued profit sharing Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits Contract retainages, net Construction Contractor, Receivable, Retainage Finance Lease Obligations Finance Lease, Liability [Abstract] Deferred income tax liabilities, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Liabilities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Liabilities Total comprehensive income attributable to MYR Group Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Insurance expense General Insurance Expense C&I Commercial And Industrial [Member] Schedule of segment's internal financial reports Schedule of Segment Reporting Information, by Segment [Table Text Block] Entity Current Reporting Status Entity Current Reporting Status Other current liabilities Total other current liabilities Other Liabilities, Current Powerline Plus Companies Powerline Plus Companies [Member] Powerline Plus Companies Earned (forfeited) for performance above or below target (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Period Increase (Decrease) 2023 Finance Lease, Liability, to be Paid, Year One Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Payment of principal obligations under equipment notes Repayments of Notes Payable U.S federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Outstanding, beginning of period (in shares) Outstanding, end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number State income taxes, net of U.S. federal income tax expense Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent 2024 Finance Lease, Liability, to be Paid, Year Two Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities Liabilities [Abstract] Schedule of estimated future intangible asset amortization expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Office equipment Office Equipment [Member] Health Insurance Health Insurance [Member] Health Insurance [Member] Relationship to Entity [Domain] Title of Individual [Domain] Contingent earn-out consideration payment Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Fixed price Fixed-Price Contract [Member] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Total debt Long-Term Debt Other income (expense), net Other Nonoperating Income (Expense) Organization, Business and Significant Accounting Policies Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Joint Venture Corporate Joint Venture [Member] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Performance Guarantee Performance Guarantee [Member] Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Estimated remaining costs for bonded projects Guarantor Obligations Expected Costs Its represents the guarantor obligations expected costs. Total current assets Assets, Current Taxes Taxes Payable, Current Revenues recognized during period Contract with Customer, Liability, Revenue Recognized Entity Small Business Entity Small Business Performance letters of credit Performance Letters Of Credit [Member] Other Commitments [Table] Other Commitments [Table] Balance, beginning of period (in shares) Balance, end of period (in shares) Shares, Outstanding Section 162(m) limitation Effective Income Tax Reconciliation, Section 162m Limitation Effective Income Tax Reconciliation, Section 162m Limitation Net Carrying Amount Finite-Lived Intangible Assets, Net Schedule of assets allocation by segment Reconciliation of Assets from Segment to Consolidated [Table Text Block] Contractors [Line Items] Contractors [Line Items] n/a Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Unrecognized stock-based compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Contract assets, Measurement Period Adjustments Business Combination Provisional Information, Initial Accounting Incomplete, Adjustment, Contract with Customer Asset Net Current Business Combination Provisional Information, Initial Accounting Incomplete, Adjustment, Contract with Customer Asset Net Current Net Period Change Net Period Change [Member] Aggregate Intrinsic Value (in thousands) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Global intangible low tax income Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent Payables and Accruals [Abstract] Payables and Accruals [Abstract] Debt Instrument [Line Items] Debt Instrument [Line Items] Business Combination and Asset Acquisition [Abstract] Stock issued under compensation plans, net (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Net present value of minimum lease payments Operating Lease, Liability Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Total minimum lease payments Finance Lease, Liability, to be Paid Schedule of future minimum finance lease payments Finance Lease, Liability, Fiscal Year Maturity [Table Text Block] 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Two Labor Force Concentration Risk Labor Force Concentration Risk [Member] Deferred income tax assets: Deferred Tax Assets, Net [Abstract] Net borrowings (repayments) under revolving lines of credit Proceeds from (Repayments of) Lines of Credit Total consideration, net of estimated net asset adjustments, Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Prepaid expenses and other assets Increase (Decrease) in Other Operating Assets 2026 Long-Term Debt, Maturity, Year Four Auditor Location Auditor Location Cash paid for amounts included in the measurement of lease liabilities Payments for Operating Activities [Abstract] Entity Filer Category Entity Filer Category Federal Current Federal Tax Expense (Benefit) United States UNITED STATES Net present value of minimum lease payments Lease Liability Amount of total lease liability. Loss Contingency Accrual [Roll Forward] Loss Contingency Accrual [Roll Forward] Stock based compensation expense Share-Based Payment Arrangement, Expense Noncash investing activities: Noncash Investing and Financing Items [Abstract] Commitments and contingencies Commitments and Contingencies Contract assets, allowance Allowance for doubtful accounts Contract with Customer, Asset, Allowance for Credit Loss, Current Security Exchange Name Security Exchange Name Outstanding, beginning of period (in dollars per share) Outstanding, end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Intangible asset amortization period Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Letters of credit outstanding Letters of Credit Outstanding, Amount Contract revenues Revenue from Contract with Customer, Excluding Assessed Tax Non-current Liabilities, Noncurrent [Abstract] Cover [Abstract] Entity Voluntary Filers Entity Voluntary Filers Weighted-average discount rate – finance leases Finance Lease, Weighted Average Discount Rate, Percent Revenue Recognition Revenue from Contract with Customer [Text Block] Construction equipment Construction Equipment [Member] Less: Acquired cash Cash Acquired from Acquisition Segment Reporting [Abstract] Segment Reporting [Abstract] Contract assets, net Changes in contract assets, net Changes in contract assets Increase (Decrease) in Contract with Customer, Asset Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Retirement Plan Name [Axis] Retirement Plan Name [Axis] Payments related to tax withholding for stock-based compensation Payment, Tax Withholding, Share-Based Payment Arrangement Total liabilities and shareholders’ equity Liabilities and Equity Less: billings to date Billings To Date Represents the billings to date on uncompleted contracts accounted for under the percentage-of-completion method. Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Remaining availability under share repurchase program Stock Repurchase Program, Remaining Authorized Repurchase Amount Total deferred income tax assets before valuation allowances Deferred Tax Assets, Gross Schedule of income before income taxes by geographical area Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Accrued interest and penalties at end of period Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Financing component Lessee, Operating Lease, Liability, Undiscounted Excess Amount Diluted (in dollars per share) Increase (decrease) in diluted earnings per common share (in dollars per share) Earnings Per Share, Diluted Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Award vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Insurance coverage deductible Insurance coverage deductible Loss Contingency Insurance Policy Deductible amount of Deductible Insurance Policy for Loss Contingency Consolidation Items [Axis] Consolidation Items [Axis] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Exercise Price Range [Domain] Wildfire Wildfire [Member] Wildfire [Member] Other current assets Other Assets, Current 2024 Lessee, Operating Lease, Liability, to be Paid, Year Two Transmission Market Type Transmission [Member] Balance at beginning of period Balance at end of period Unrecognized Tax Benefits Total deferred income tax assets Deferred Tax Assets, Net of Valuation Allowance Intangible assets — tax over book amortization Deferred Tax Liabilities, Intangible Assets Federal Income (Loss) from Continuing Operations before Income Taxes, Domestic Letter of credit facility commitment percentage Line of Credit Facility, Commitment Fee Percentage Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Government Assistance, Statement of Income or Comprehensive Income [Extensible Enumeration] Government Assistance, Statement of Income or Comprehensive Income [Extensible Enumeration] Schedule of future minimum operating lease payments Lessee, Operating Lease, Liability, Maturity [Table Text Block] Entity Address, Address Line One Entity Address, Address Line One Contract assets Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Contract With Customer Asset, Net Current Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Contract With Customer Asset, Net Current Deferred income tax liabilities: Deferred Tax Liabilities, Net [Abstract] Insurance Insurance Policy [Policy Text Block] Describes an entity's accounting policy for insurance. Interest expense Interest Expense Trade names Trade Names [Member] Joint Ventures and Noncontrolling Interests Equity Method Investments [Policy Text Block] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Remaining lease term Lessee Operating and Finance Leases Remaining Contract Term Lessee operating and finance leases remaining contract term. Schedule of total debt Schedule of Long-Term Debt Instruments [Table Text Block] Finance lease obligations, net of current maturities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Noncurrent Liabilities, Finance Lease Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Noncurrent Liabilities, Finance Lease Advertising cost Advertising Expense Contributions to Plan Multiemployer Plan, Employer Contribution, Cost Schedule of revenue by contact and market type Disaggregation of Revenue [Table Text Block] Total deferred income tax liabilities Deferred Tax Liabilities, Gross Leverage coverage ratio Leverage Coverage Ratio The Company has the option to expand the debt coverage ratio in the event of an acquisition. Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Borrowings under equipment notes Proceeds from Notes Payable Contract assets, net of allowances of $499 and $385, respectively Contract assets, net Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Weighted average dilutive securities (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Contract revenue adjustment Deferred Tax Liabilities, Tax Deferred Income 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Five Per Share Weighted- Average Grant Date Fair Value Per Share Weighted-Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Other Other Accrued Liabilities, Current Accrued self-insurance Net increases in accrued self-insurance Increase (Decrease) in Self Insurance Reserve Interest coverage ratio Debt Instrument Covenant Interest Coverage Ratio Represent the minimum interest coverage ratio under the credit agreement. Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Less: reduction in (provision for) allowances Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Other Commitments [Line Items] Other Commitments [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Advertising Advertising Cost [Policy Text Block] Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Option to increase borrowing capacity Line Of Credit Facility Option To Increase Maximum Borrowing Capacity Represents the option to increase maximum borrowings on the credit facility. Financing component Finance Lease, Liability, Undiscounted Excess Amount Revenue recognized, related to change orders and claims included as contract price adjustments Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Estimate of Transaction Price Customer Relationships, Amortizable Trade Names and Backlog Customer Relationships, Amortizable Trade Names And Backlog [Member] Net payments made Loss Contingency Accrual, Payments Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Purchase orders outstanding Purchase Commitment, Remaining Minimum Amount Committed Eighth District Electrical Pension Fund Eighth District Electrical Pension Fund [Member] Eighth district electrical pension fund member. Goodwill Goodwill, Impaired, Accumulated Impairment Loss [Abstract] Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Option to terminate leases, period Lessee Operating and Finance Leases Option to Terminate Period Lessee, operating and finance leases, option to terminate, period. Accounting Standards Update [Extensible Enumeration] Accounting Standards Update [Extensible Enumeration] Accounting Standards Update 2016-13 [Member]