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[Abstract] Segment Reporting [Abstract] Operating lease liabilities, less current maturities Business Combination, Recognized Liability Assumed, Operating Lease, Liability, Noncurrent Business Combination, Recognized Liability Assumed, Operating Lease, Liability, Noncurrent Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Common stock, $0.01 par value, 200,000,000 shares authorized; 80,533,536 shares issued; 59,977,156 and 59,869,405 shares outstanding, respectively Common Stock, Value, Issued 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Tax withholding related to net share settlements of restricted stock awards Payment, Tax Withholding, Share-Based Payment Arrangement Accrued payroll Employee-related Liabilities, Current Restatement Determination Date Restatement Determination Date 2022 Credit Agreement, Interest Rate Swap, Mature Date At May Two Thousand Twenty Seven Line Of 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accounts payable Capital Expenditures Incurred but Not yet Paid Schedule of Segment Information Segment Reporting [Table Text Block] Gain on disposal of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Impairment losses Impairment of Long-Lived Assets to be Disposed of Unsecured Debt Unsecured Debt [Member] Cumulative unrealized gain on interest in investment Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount Strategically located properties Business Combination Number Of Operational Facilities Business Combination Number Of Operational Facilities Schedule of Changes in Fair Value of Contingent Consideration Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Total debt Long-Term Debt Thereafter Lessee, Operating Lease, Liability, to be 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Operating Lease, Liability, to be Paid, Year Two Operating expenses: Less operating expenses: Costs and Expenses [Abstract] Security Exchange Name Security Exchange Name Treasury stock, at cost; 20,556,380 and 20,664,131 shares, respectively Treasury Stock, Common, Value Intangible Asset Impairment Intangible Asset Impairment [Member] Intangible Asset Impairment Weighted-average common shares outstanding: Earnings Per Share, Basic, Other Disclosure [Abstract] Commission percentage Letter of Credit Fee, Commission Percentage Letter of Credit Fee, Commission Percentage Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Finance leases Finance Lease, Weighted Average Remaining Lease Term Total liabilities at fair value Liabilities, Fair Value Disclosure Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Change in fair 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Diluted (in shares) Shares used in computing diluted earnings per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] 2028 Finance Lease, Liability, to be Paid, Year Two Line of Credit Facility [Table] Line of Credit Facility [Table] Underlying Security Market Price Change Underlying Security Market Price Change, Percent 2030 Finance Lease, Liability, to be Paid, Year Four Dividends accrued but not yet paid at end of period Dividends Payable Less: Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Borrowing base, based on eligible receivables Line of Credit Facility, Current Borrowing Capacity Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Business Combination, Intangible Asset, Acquired, Finite-Lived [Table] Business 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Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] SEGMENT INFORMATION Segment Reporting [Text Block] Less: outstanding borrowings Long-Term Line of Credit Minimum Minimum [Member] Dividends on common stock Payments of Ordinary Dividends, Common Stock Expiration Date Trading Arrangement Expiration Date Schedule of Disaggregation of Revenue by Revenue Source Disaggregation of Revenue [Table Text Block] Effect of exchange rate fluctuations on cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] 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in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity method investments Equity Method Investments Restructuring liability, beginning balance Restructuring liability, ending balance Restructuring Reserve Business Combination [Table] Business Combination [Table] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Secured Debt Secured Debt [Member] Business Combination and Asset Acquisition [Abstract] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] 2022 Credit Agreement, Interest Rate Swap, Mature Date At April Two Thousand Twenty Seven Line Of Credit Facility, Interest Rate Swap, Mature Date At April Two Thousand Twenty Seven [Member] Line Of Credit Facility, Interest Rate Swap, Mature Date At April Two Thousand Twenty Seven Number of interest rate swaps matured during period Number Of Interest Rate Swaps Matured During Period Number Of Interest Rate Swaps Matured During Period Total operating expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date Finance leases Finance Lease, Weighted Average Discount Rate, Percent Payments to acquire equity method investment Capital contributions Payments to Acquire Equity Method Investments Equity method investment, purchase commitment Equity Method Investment, Purchase Commitment Equity Method Investment, Purchase Commitment Dividends on common stock Dividends, Common Stock, Cash Total stockholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Total other expense, net Nonoperating Income (Expense) Other non-current assets Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent Restructuring Type [Axis] Restructuring Type [Axis] ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Right-of-use assets obtained in exchange for new lease liabilities Right Of Use Asset Obtained In Exchange For Lease Liability [Abstract] Right Of Use Asset Obtained In Exchange For Lease Liability Cumulative contributions Equity Method Investments, Cumulative Contributions Equity Method Investments, Cumulative Contributions Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Present value of lease liabilities Operating Lease, Liability Insider Trading Policies and Procedures [Line Items] Present value of lease liabilities Finance Lease, Liability Other Proceeds from (Payment for) Other Financing Activity Allowance for doubtful trade accounts receivable Accounts Receivable, Allowance for Credit Loss, Current Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Deferred income taxes Deferred Income Tax Expense (Benefit) Gains on sales of property and equipment Gain (Loss) on Disposition of Property Plant Equipment, Adjusted Gain (Loss) on Disposition of Property Plant Equipment, Adjusted Type of Restructuring [Domain] Type of Restructuring [Domain] Business Combination [Domain] Business Combination [Domain] Restructuring and impairment Restructuring, Settlement and Impairment Provisions Letter of Credit Letter of Credit [Member] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Operating lease revenues Operating Lease, Lease Income Number of operating segments Number of Operating Segments Schedule of Carrying Amount of Goodwill Goodwill [Table Text Block] Entity Central Index Key Entity Central Index Key Less – accumulated depreciation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Paid-in capital Additional Paid in Capital, Common Stock All Adjustments to Compensation All Adjustments to Compensation [Member] Other operating segments Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Other Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item Business Combination [Axis] Business Combination [Axis] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation 2026 (remaining) Long-Term Debt, Maturity, Remainder of Fiscal Year Issuance of notes receivable Payments to Acquire Notes Receivable Stockholders’ equity: Equity, Attributable to Parent [Abstract] Income Statement [Abstract] Income Statement [Abstract] Deferred cash payments Deferred Payments to Acquire Businesses Deferred Payments to Acquire Businesses Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Collections of notes receivable Proceeds from Collection of Notes Receivable Finance lease liabilities, less current maturities Finance Lease, Liability, Noncurrent Inter-segment eliminations Intersegment Eliminations [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Change in fair value of interest rate swaps Increase (Decrease) in Fair Value of Interest Rate Fair Value Hedging Instruments Schedule of Acquired Intangible Assets Intangible Asset, Finite-Lived [Table Text Block] Earnings per share - basic - diluted (in dollars per share) Business Combination, Pro Forma Information, Pro Forma Earnings Per Share, Diluted Debt instrument, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Lessor, Lease, Description [Line Items] Lessor, Lease, Description [Line Items] Other current assets Business Combination, Recognized Asset Acquired, Other Asset, Current City Area Code City Area Code Variable Rate [Domain] Variable Rate [Domain] Total undiscounted lease payments Finance Lease, Liability, to be Paid Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] SUBSEQUENT EVENTS Subsequent Events [Text Block] Amortization of operating lease right-of-use assets Operating Lease, Right-of-Use Asset, Periodic Reduction Loan Security Agreement Loan Security Agreement [Member] Loan Security Agreement Schedule of Revenue by Geographical Location Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue [Table Text Block] Other revenues Other revenue recognition segments [Member] Other revenue recognition segments [Member] Name Forgone Recovery, Individual Name Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Autotech Fund IV Autotech Fund IV [Member] Autotech Fund IV Statement [Line Items] Statement [Line Items] Total assets Assets Operating Leases Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Loss (gain) on investments in equity securities Equity Securities, FV-NI, Realized Gain (Loss) Thereafter Lessor, Operating Lease, Payments to be Received, after Year Four Lessor, Operating Lease, Payments to be Received, after Year Four Reportable segment revenues Operating Segments [Member] Interest expense Interest Expense, Nonoperating Investment in equity securities Equity Securities without Readily Determinable Fair Value, Amount Tractors Tractors Tractors Total liabilities assumed Business Combination, Recognized Liability Assumed, Liability PEO PEO [Member] 2028 Long-Term Debt, Maturity, Year Two Thereafter Lessee, Finance Lease, Liability, to be Paid, after Year Four Lessee, Finance Lease, Liability, to be Paid, after Year Four Other long-term liabilities Other long-term liabilities Other Liabilities, Noncurrent Goodwill Goodwill Beginning balance Ending balance Goodwill Inventories and supplies Business Combination, Recognized Asset Acquired, Inventory, Current Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Goodwill recorded in acquisition of FirstFleet Goodwill, Acquired During Period Accounts payable Business Combination, Recognized Liability Assumed, Accounts Payable, Current Revenue recognized from contract liability during the period Contract with Customer, Liability, Revenue Recognized Loss (gain) on investments in equity securities Equity Securities, FV-NI, Gain (Loss) Subsequent Event Type [Domain] Subsequent Event Type [Domain] Retained Earnings Retained Earnings [Member] Operating lease liabilities, less current maturities Operating Lease, Liability, Noncurrent Revolving Credit Facility Revolving Credit Facility [Member] Revision of Prior Period [Domain] Revision of Prior Period [Domain] Fair Value Measurement — Definition and Hierarchy Fair Value Measurement, Policy [Policy Text Block] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Diluted (in dollars per share) Diluted earnings per share (in dollars per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Liabilities Liabilities, Fair Value Disclosure [Abstract] Litigation Case [Domain] Litigation Case [Domain] Amortization of intangible assets Intangible Asset, Finite-Lived, Amortization Expense Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] FirstFleet FirstFleet [Member] FirstFleet Schedule of Weighted Average Remaining Lease Term and Discount Rate Schedule Of Supplemental Balance Sheet Information Related To Leases [Table Text Block] The assumptions underlying the calculation of the Company's right-of-use assets and corresponding lease liabilities. Earnings per share - basic (in dollars per share) Business Combination, Pro Forma Information, Pro Forma Earnings Per Share, Basic Schedule of Unaudited Pro Forma Financial Information Business Combination, Pro Forma Information [Table Text Block] Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] 2029 Long-Term Debt, Maturity, Year Three Total assets acquired Business Combination, Recognized Asset Acquired, Asset Estimated Fair Value (in thousands) Intangible Asset, Finite-Lived, Acquired Revenues Revenue from Contract with Customer, Excluding Assessed Tax Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Accrued payroll Business Combination, Recognized Liability Assumed, Accrued Payroll Business Combination, Recognized Liability Assumed, Accrued Payroll Remaining borrowing capacity Availability under LSA Line of Credit Facility, Remaining Borrowing Capacity Unused capacity commitment fee, percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Communications and utilities Communications and utilities Direct Communications and Utilities Costs Financial Instruments [Domain] Financial Instruments [Domain] Schedule of Restructuring Liability Activity Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Schedule of Equity Method Investments Equity Method Investments [Table Text Block] Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] GOODWILL AND INTANGIBLE ASSETS Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Comprehensive loss attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest REVENUE Revenue from Contract with Customer [Text Block] Subsegments [Domain] Subsegments [Domain] Prepaid expenses Prepaid Expense, Current Trailers Trailers Trailers Abarca et al. v. Werner Abarca Et Al. V. Werner [Member] Abarca Et Al. V. Werner One-month Term SOFR One Month Secured Overnight Financing Rate SOFR [Member] One Month Secured Overnight Financing Rate SOFR Notes receivable issued upon sale of property and equipment Notes Issued Other current liabilities Increase (Decrease) in Other Current Liabilities Subsegments [Axis] Subsegments [Axis] Equity Securities without Readily Determinable Fair Value [Line Items] Equity Securities without Readily Determinable Fair Value [Line Items] Operating leases Operating Lease, Weighted Average Discount Rate, Percent Operating leases remaining term, lessor Lessor, Operating Lease, Term of Contract Segment Reporting [Table] Segment Reporting [Table] Schedule of Maturities of Long-term Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Schedule of Equity Method Investments [Table] Equity Method Investment [Table] Escrow deposit Escrow Deposit Schedule of Lease Cost Lease, Cost [Table Text Block] Baylor Trucking, Inc. Baylor Trucking, Inc. [Member] Baylor Trucking, Inc. Other current assets Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating income Operating Income (Loss) Current Fiscal Year End Date Current Fiscal Year End Date Schedule of Maturities of Finance Lease Liabilities Finance Lease, Liability, to be Paid, Maturity [Table Text Block] 2026 (remaining) Finance Lease, Liability, to be Paid, Remainder of Fiscal Year Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount BUSINESS ACQUISITION Business Combination [Text Block] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends on common stock (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Autotech Fund III Autotech Fund III [Member] Autotech Fund III Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Common stock issued for stock-based compensation, including tax effects Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Distribution to noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Common stock, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Current maturities of operating lease liabilities Business Combination, Recognized Liability Assumed, Operating Lease, Liability, Current Business Combination, Recognized Liability Assumed, Operating Lease, Liability, Current Treasury stock, shares (in shares) Treasury Stock, Common, Shares One-Way Truckload One-Way Truckload [Member] One-Way Truckload Statement, Equity Components [Axis] Equity Components [Axis] Accounts receivable, net Increase (Decrease) in Accounts Receivable Income taxes paid Income Tax Paid, after Refund Received Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Current maturities of finance lease liabilities Finance Lease, Liability, Current Net loss attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Customer Sites Business Combination, Number Of Customer Sites Business Combination, Number Of Customer Sites Deferred income taxes Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Comprehensive income attributable to Werner Comprehensive Income (Loss), Net of Tax, Attributable to Parent 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date Weighted-Average Estimated Amortization Period (Years) Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period Accounts payable Increase (Decrease) in Accounts Payable, Trade Subsequent Events [Abstract] Payment for contingent consideration Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Finite-lived intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived ASSETS HELD FOR SALE Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other current liabilities Other current liabilities Other Liabilities, Current Other non-current assets Other non-current assets Other Assets, Noncurrent 2029 Finance Lease, Liability, to be Paid, Year Three Document Type Document Type Net cash invested in acquisition Payments to Acquire Businesses, Net of Cash Acquired Fair Value, Assets Measured on Recurring Basis Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Accrued expenses Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Cash paid for acquisition Business Combination, Consideration Transferred, Deferred Cash Payments And Payments To Acquire Businesses, Gross Business Combination, Consideration Transferred, Deferred Cash Payments And Payments To Acquire Businesses, Gross Contingent consideration associated with acquisition Business Combination Provisional Information Initial Accounting Incomplete Adjustment Contingent Consideration Arrangement Business Combination Provisional Information Initial Accounting Incomplete Adjustment Contingent Consideration Arrangement Schedule of Goodwill [Table] Goodwill [Table] Current maturities of finance lease liabilities Business Combination, Recognized Liability Assumed, Finance Lease, Liability, Current Business Combination, Recognized Liability Assumed, Finance Lease, Liability, Current Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Proceeds from issuance of long-term debt Proceeds from Issuance of Long-Term Debt Local Phone Number Local Phone Number Canada CANADA Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies Commitments and Contingencies Gross Carrying Amount Intangible Asset, Finite-Lived, before Accumulated Amortization Operating revenues Total revenues Total revenues Revenues Property and equipment, at cost Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2030 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four Earnings from equity method investments Earnings from equity method investment Earnings from equity method investments Income (Loss) from Equity Method Investments Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Amortization of right-of-use assets Finance Lease, Right-of-Use Asset, Amortization Returned to the sellers Escrow Deposit Returned To Sellers Escrow Deposit Returned To Sellers Increase (Decrease) in Goodwill [Roll Forward] Goodwill [Roll Forward] LIABILITIES, TEMPORARY EQUITY AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Operating lease right-of-use assets Business Combination, Recognized Assets Acquired, Operating Lease, Right-Of-Use Assets Business Combination, Recognized Assets Acquired, Operating Lease, Right-Of-Use Assets Trade names Trade Names [Member] 2030 Lessor, Operating Lease, Payment to be Received, Year Four Inventories and supplies Inventory, Net All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Interest on lease liabilities Finance Lease, Interest Expense 2026 (remaining) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year FAIR VALUE Fair Value Disclosures [Text Block] Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] 2027 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One Repurchases of common stock (in shares) Treasury Stock, Shares, Acquired Operating leases remaining term, lessee Lessee, Operating Lease, Term of Contract PEO Name PEO Name Geographical [Axis] Geographical [Axis] Total Lessor, Operating Lease, Payment to be Received Contract liabilities Contract with Customer, Liability Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Mastery Logistics Systems, Inc. Mastery Logistics Systems, Inc. [Member] Mastery Logistics Systems, Inc. Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Repurchases of common stock, 2,113,007 shares Treasury Stock, Value, Acquired, Cost Method Insurance and claims accruals Self Insurance Reserve, Current Finance lease right-of-use assets Business Combination, Recognized Asset Acquired, Finance Lease, Right-Of-Use Assets Business Combination, Recognized Asset Acquired, Finance Lease, Right-Of-Use Assets Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Base Rate Base Rate [Member] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Contingent consideration associated with the acquisition of FirstFleet Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] BASIS OF PRESENTATION AND RECENT ACCOUNTING PRONOUNCEMENTS Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Subsequent Event [Table] Subsequent Event [Table] Equity method investment, ownership percentage (less than) Equity Method Investment, Ownership Percentage Cash consideration paid Payments to Acquire Businesses, Gross Non-cash equity compensation Share-Based Payment Arrangement, Noncash Expense Federal Funds Rate Federal Funds Rate [Member] Federal Funds Rate 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Salaries, wages and benefits Salaries, wages and benefits Labor and Related Expense Total lease cost Lease, Cost Schedule of Debt Schedule of Debt [Table Text Block] Investment, Name [Domain] Investment, Name [Domain] LEASES Lessee, Operating Leases [Text Block] 2027 Long-Term Debt, Maturity, Year One Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in dollars per share) Basic earnings per share (in dollars per share) Earnings Per Share, Basic Repurchases of common stock Payments for Repurchase of Common Stock Total current assets Assets, Current Other Equity Investments Without Readily Determinable Fair Values Other Equity Investments Without Readily Determinable Fair Values [Member] Other Equity Investments Without Readily Determinable Fair Values Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Long-term debt, net of current portion Long-term debt, net of current portion Long-Term Debt, Excluding Current Maturities Award Type Award Type [Axis] Short-term lease cost Short-Term Lease, Cost 2026 (remaining) Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, trade, less allowance of $8,818 and $7,646, respectively Accounts receivable, trade, net Accounts Receivable, after Allowance for Credit Loss, Current 2022 Credit Agreement, Interest Rate Swap, Mature Date At July Two Thousand Twenty Six Line Of Credit Facility, Interest Rate Swap, Mature Date At July Two Thousand Twenty Six [Member] Line Of Credit Facility Mature Date At July Two Thousand Twenty Six Retained earnings Retained Earnings (Accumulated Deficit) Costs paid or otherwise settled Restructuring Reserve, Costs Paid or Otherwise Settled Restructuring Reserve, Costs Paid or Otherwise Settled Restructuring and Related Activities [Abstract] Gain on contingent earnout liability settlement Gain on contingent earnout liability settlement Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease) Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Insurance and claims accruals, net of current portion Increase Decrease In Self Insurance Reserves Noncurrent The net change during the reporting period in self insurance claims reserves expected to be paid after one year (or one business cycle). Operating lease cost Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Swingline loans drawn under the 2022 Credit Agreement Swingline Loans, 2022 Credit Agreement [Member] Swingline Loans, 2022 Credit Agreement Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Line Of Credit Facility, Interest Rate Swap, Mature Date At June Two Thousand Twenty Nine Line Of Credit Facility, Interest Rate Swap, Mature Date At June Two Thousand Twenty Nine [Member] Line Of Credit Facility, Interest Rate Swap, Mature Date At June Two Thousand Twenty Nine Insurance and claims Insurance and claims Operating Insurance And Claims Costs (Reversals), Production Operating Insurance And Claims Costs (Reversals), Production Schedule of Investments without Readily Determinable Fair Value Equity Securities without Readily Determinable Fair Value [Table Text Block] 2022 Credit Agreement, Interest Rate Swap, Mature Date At August Two Thousand Twenty Eight Line Of Credit Facility, Interest Rate Swap, Mature Date At August Two Thousand Twenty Eight [Member] Line Of Credit Facility, Interest Rate Swap, Mature Date At August Two Thousand Twenty Eight Equity Awards Adjustments Equity Awards Adjustments [Member] Pay-fixed interest rate swaps Derivative Liability, Noncurrent Total liabilities, temporary equity and stockholders’ equity Liabilities and Equity Variable lease cost Variable Lease, Cost Employee Stock Option Share-Based Payment Arrangement, Option [Member] Schedule of Lessor Operating Lease Maturities Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Tabular List, Table Tabular List [Table Text Block] Equity securities Equity Securities, FV-NI, Noncurrent Schedule of Unrealized Gain (Loss) on Investments Unrealized Gain (Loss) on Investments [Table Text Block] 2022 Credit Agreement, Interest Rate Swap, Mature Date At July Two Thousand Twenty Eight Line Of Credit Facility, Interest Rate Swap, Mature Date At July Two Thousand Twenty Eight [Member] Line Of Credit Facility Mature Date At July Two Thousand Twenty Eight Other Other Nonoperating Income (Expense) Equity Securities without Readily Determinable Fair Value [Table] Equity Securities without Readily Determinable Fair Value [Table] 2031 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Five 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three Remainder of 2026 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year Other Other segment items Other Operating Income (Expense), Net Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Adjustment to Compensation: Adjustment to Compensation [Axis] Rent and purchased transportation Rent and purchased transportation Rent and Purchased Transportation The total costs of purchased transportation and transportation-related services, costs of independent contractors, and rental expense incurred for leased assets including furniture and equipment and real estate during the reporting period. Schedule of Intangible Assets and Weighted - Average Estimated Amortization Period Business Combination, Intangible Asset, Acquired, Finite-Lived [Table Text Block] Net loss attributable to noncontrolling interest Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Operating cash flows for finance leases Finance Lease, Interest Payment on Liability Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Provisional Purchase Price Allocation Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) [Abstract] Credit Facility [Axis] Credit Facility [Axis] RESTRUCTURING AND IMPAIRMENT COSTS Restructuring and Related Activities Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total assets at fair value Assets, Fair Value Disclosure Discontinued Operations and Disposal Groups [Abstract] Name Measure Name Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Mexico MEXICO Werner Logistics Werner Logistics Werner Logistics Werner Logistics [Member] Werner Logistics Other current assets Increase (Decrease) in Other Current Assets Taxes and licenses Taxes and licenses Cost, Direct Tax and License Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Total provisional purchase price (fair value of consideration) Total provisional purchase price (fair value of consideration) Business Combination, Consideration Transferred Paid-In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Repayments of short-term debt Repayments of Short-Term Debt Deferred cash payments Business Combination, Consideration Transferred, Deferred Cash Payments Business Combination, Consideration Transferred, Deferred Cash Payments Revision of Prior Period [Axis] Revision of Prior Period [Axis] Name Trading Arrangement, Individual Name Total other current liabilities Other Liabilities, Fair Value Disclosure Cash and cash equivalents Cash and Cash Equivalent Finance Leases Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Company Selected Measure Amount Company Selected Measure Amount Investments, Debt and Equity Securities [Abstract] SOFR Secured Overnight Financing Rate (SOFR) [Member] Entity Address, Address Line Two Entity Address, Address Line Two Stock-based compensation activity (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Net income Net income Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Current assets: Assets, Current [Abstract] Operating leases Operating Lease, Weighted Average Remaining Lease Term Operating revenues Business Combination, Pro Forma Information, Pro Forma Revenue Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Accordion feature, increase limit Line of Credit Facility, Accordion Feature, Increase Limit Line of Credit Facility, Accordion Feature, Increase Limit Income tax expense Income Tax Expense (Benefit) Award Timing Method Award Timing Method [Text Block] Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Contingent earnout payment , maximum Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount Loss contingency, accrual, current Loss Contingency, Accrual, Current Deferred income taxes Business Combination, Recognized Liability Assumed, Deferred Tax Liability 2028 Lessor, Operating Lease, Payment to be Received, Year Two Fuel Fuel Fuel Costs Net income attributable to Werner Net income attributable to Werner Net Income (Loss) Attributable to Parent Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Balance Sheet Location [Axis] Location, Statement of Financial Position, Balance [Axis] Statement [Table] Statement [Table] Proceeds from sales of property and equipment, including assets held for sale Proceeds from Sale of Property, Plant, and Equipment Other operating segments Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Restatement Determination Date: Restatement Determination Date [Axis] Equity Securities With Readily Determinable Fair Value [Table] Equity Securities With Readily Determinable Fair Value [Table] Equity Securities With Readily Determinable Fair Value [Table] Interest income Investment Income, Interest Finance lease liabilities, less current maturities Business Combination, Recognized Liability Assumed, Finance Lease, Liability, Noncurrent Business Combination, Recognized Liability Assumed, Finance Lease, Liability, Noncurrent Proceeds from issuance of short-term debt Proceeds from Short-Term Debt Loss contingency, damages sought, value Loss Contingency, Damages Sought, Value Average transit time (in days) Average Transit Time Average Transit Time Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Prepaid expenses Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current