Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Maximum [Member] Maximum [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Title of 12(b) Security Title of 12(b) Security Diluted EPS, Net Income Net Income (Loss) Available to Common Stockholders, Diluted Document Fiscal Year Focus Document Fiscal Year Focus Debt Acquired, Weighted Average Interest Rate Debt, Weighted Average Interest Rate Adjustment to Compensation, Amount Adjustment to Compensation Amount Term SOFR one-month spread Term SOFR one-month spread Term SOFR one-month spread Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Customer [Axis] Customer [Axis] Segment Reporting [Abstract] Segment Reporting [Abstract] Insurance and claims Operating Insurance and Claims Costs, Production Capital stock, common, $.01 par value; authorized 395,000 shares; issued 90,689 in 2026 and 2025; outstanding 77,467 and 77,445 in 2026 and 2025, respectively Common Stock, Value, Issued 2026 (remaining) Lessee, Operating Lease, Liability, to be Paid, Year One Shares withheld for employee taxes related to stock-based compensation Payment, Tax Withholding, Share-Based Payment Arrangement Interest expense Interest Expense, Operating and Nonoperating Compensation and benefits Employee-related Liabilities, Current Applicable Margin Base Applicable Margin Base Applicable Margin Base Prepaid tires Other Prepaid Expense, Current Restatement Determination Date Restatement Determination Date Contract with Customer, Asset, after Allowance for Credit Loss Contract with Customer, Asset, after Allowance for Credit Loss Debt Instrument, Covenant, Minimum Interest Coverage Ratio Debt Instrument, Covenant, Minimum Interest Coverage Ratio Debt Instrument, Covenant, Minimum Interest Coverage Ratio Unrecognized Tax Benefits, Period Increase (Decrease) Unrecognized Tax Benefits, Period Increase (Decrease) Contract with Customer, Basis of Pricing [Domain] Contract with Customer, Basis of Pricing [Domain] Amendment Flag Amendment Flag CURRENT LIABILITIES Liabilities, Current [Abstract] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Repayments of finance leases and debt Finance Lease, Principal Payments Revolving Line of Credit Revolving Facility Revolving Facility Leases [Abstract] Leases [Abstract] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Total long-term liabilities Liabilities, Noncurrent Deferred income taxes Increase (Decrease) in Deferred Income Taxes Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Common Stock, Par or Stated Value Per Share Common Stock, Par or Stated Value Per Share Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] LONG-TERM LIABILITIES Liabilities, Noncurrent [Abstract] OTHER INTANGIBLES, NET Intangible Asset, Excluding Goodwill, after Accumulated Amortization Unvested at beginning of year, Number of Restricted Stock Awards (in shares) Outstanding (unvested) at end of year, Number of Restricted Stock Awards (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Additions for tax positions of prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Basic Basic EPS, Shares Weighted Average Number of Shares Outstanding, Basic Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Property, Plant, and Equipment, Salvage Value Property, Plant, and Equipment, Salvage Value Number of Segments Number of Reportable Segments Total current liabilities Liabilities, Current 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Subsegments Consolidation Items [Axis] Subsegments Consolidation Items [Axis] Sold revenue equipment in other current assets Increase (Decrease) of Restricted Cash and Investments Increase (Decrease) of Restricted Cash and Investments Customer Relationships [Member] Customer Relationships [Member] Insurance accruals Self Insurance Reserve, Noncurrent Accessorial and other revenues Revenue from Contract with Customer, Including Assessed Tax Subsequent Events, Policy [Policy Text Block] Subsequent Events, Policy [Policy Text Block] Entity Address, City or Town Entity Address, City or Town Document [Domain] Document [Domain] Land and land improvements Land and Land Improvements Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Document Information [Line Items] Document Information [Line Items] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Class of Stock [Axis] Class of Stock [Axis] Intangible Asset, Finite-Lived, after Accumulated Amortization Intangible Asset, Finite-Lived, after Accumulated Amortization Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Intangible Asset, Finite-Lived, Accumulated Amortization Intangible Asset, Finite-Lived, Accumulated Amortization Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Long-term debt and finance lease liabilities - current portion Long-Term Debt, Current Maturities Subsequent Event [Axis] Subsequent Event Type [Axis] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Swingline Facility Swingline Facility Swingline Facility Treasury stock, at cost; 13,222 and 13,244 shares in 2026 and 2025, respectively Treasury Stock, Value Earnings Per Share, Policy [Policy Text Block] Earnings Per Share, Policy [Policy Text Block] New Accounting Pronouncements, Policy [Policy Text Block] New Accounting Pronouncements, Policy [Policy Text Block] Purchased property and equipment in accounts payable Capital Expenditures Incurred but Not yet Paid Use of Estimates, Policy [Policy Text Block] Use of Estimates, Policy [Policy Text Block] Debt-related amortization Amortization of Debt Issuance Costs Property, Equipment, and Depreciation Property, Plant, and Equipment [Text Block] Restricted cash included in other assets Restricted Cash and Investments, Noncurrent Lessee, Operating Lease, Liability, Maturity Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Noncash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Accrued income taxes Increase (Decrease) in Income Taxes Payable Document Period End Date Document Period End Date Changes in certain working capital items: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Balance beginning of period Balance end of period Unrecognized Tax Benefits 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Stockholders' Equity Equity [Text Block] Security Exchange Name Security Exchange Name Finance Lease, Weighted Average Remaining Lease Term Finance Lease, Weighted Average Remaining Lease Term Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Depreciation and amortization depreciation and amortization excluding depreciation on communication equipment depreciation and amortization excluding depreciation on communication equipment Operating lease liabilities - current portion Operating Lease, Liability, Current Segment Reporting, Policy [Policy Text Block] Segment Reporting, Policy [Policy Text Block] Income Tax Uncertainties, Policy [Policy Text Block] Income Tax Uncertainties, Policy [Policy Text Block] Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Net loss per share Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Finance Lease Obligations Finance Lease Obligations Finance Lease Obligations Trading Symbol Trading Symbol Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] Geographical [Domain] Geographical [Domain] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Unrecognized Tax Benefits [Roll Forward] Unrecognized Tax Benefits [Roll Forward] Change in Unrecognized Tax Benefit, Reasonably Possible [Table] Change in Unrecognized Tax Benefit, Reasonably Possible [Table] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Business combination, assumption of debt and financing leases Business Combination Long-term Debt Business Combination Long-term Debt Stockholders' Equity Stockholders' Equity1 Stockholders' Equity Company Selected Measure Name Company Selected Measure Name Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Debt Instrument, Covenant, Distributions Max Leverage Ratio Debt Instrument, Covenant, Distributions Max Leverage Ratio Debt Instrument, Covenant, Distributions Max Leverage Ratio Effect of restricted stock Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Noncompete Agreements [Member] Noncompete Agreements [Member] OPERATING ACTIVITIES Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted Diluted EPS, Shares Weighted Average Number of Shares Outstanding, Diluted Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Income Tax Uncertainties [Abstract] Income Tax Uncertainties [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Lessee, Operating Lease, Liability, Undiscounted Excess Amount Lessee, Operating Lease, Liability, Undiscounted Excess Amount Line of Credit Facility, Current Borrowing Capacity Line of Credit Facility, Current Borrowing Capacity Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Tractors [Member] 3537 Industrial Trucks, Tractors, Trailers and Stackers [Member] Award Timing Predetermined Award Timing Predetermined [Flag] Treasury Stock Treasury Stock, Common [Member] Intangible Asset, Goodwill and Other [Abstract] Intangible Asset, Goodwill and Other [Abstract] Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Valuation Allowance [Abstract] Valuation Allowance [Abstract] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Furniture and fixtures Furniture and Fixtures, Gross Outstanding Debt on Term Facility Outstanding Debt on Term Facility Outstanding Debt on Term Facility Effective Income Tax Rate, Percent Effective Income Tax Rate Reconciliation, Percent Lessee, Operating Lease, Liability, to be Paid Lessee, Operating Lease, Liability, to be Paid Effect of restricted stock, Shares Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Unvested at beginning of year, Weighted Average Grant Date Fair Value (in dollars) Outstanding (unvested) at end of year, Weighted Average Grant Date Fair Value (in dollars) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Preferred Stock, Par or Stated Value Per Share Preferred Stock, Par or Stated Value Per Share Scenario [Domain] Scenario [Domain] Deferred income taxes, net Deferred Tax and Other Liabilities, Noncurrent CASH, CASH EQUIVALENTS AND RESTRICTED CASH Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract] OPERATING LEASE RIGHT OF USE ASSETS Operating Lease, Right-of-Use Asset Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Segment Information Segment Reporting [Text Block] Minimum [Member] Minimum [Member] Payments of cash dividends Payments of Ordinary Dividends, Common Stock Expiration Date Trading Arrangement Expiration Date Net increase in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Right of Use Operating Lease Assets Acquired Right of Use Operating Lease Assets Right of Use Operating Lease Assets Restricted Cash and Cash Equivalent Restricted Cash and Cash Equivalent Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Financial Statement Location [Axis] Financial Statement Location [Axis] Financial Statement Location [Axis] 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] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Dividends on common stock, $0.02 per share Dividends, Common Stock Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Common Stock, Shares Authorized Common Stock, Shares Authorized Amortization period (years) Intangible Asset, Finite-Lived, Useful Life Exercise Price Award Exercise Price INVESTING ACTIVITIES Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Segment Reporting [Line Items] Segment Reporting [Line Items] Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Document Quarterly Report Document Quarterly Report Operating Leases [Abstract] Operating Leases [Abstract] Operating Leases Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Property, Plant, and Equipment [Policy Text Block] Property, Plant, and Equipment [Policy Text Block] Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Accordion Feature [Axis] Accordion Feature [Axis] Accordion Feature Scenario [Axis] Scenario [Axis] Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Payments for Repurchase of Common Stock Payments for Repurchase of Common Stock1 Payments for Repurchase of Common Stock1 Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Total operating expenses Costs and Expenses Buildings Buildings and Improvements, Gross Adoption Date Trading Arrangement Adoption Date Finance Lease, Weighted Average Discount Rate, Percent Finance Lease, Weighted Average Discount Rate, Percent Dividends, Common Stock, Cash Dividends, Common Stock, Cash Balance Balance Equity, Attributable to Parent Rent and purchased transportation Rent and purchased transportation Payment of rentals incurred in the period on property and equipment including payments made to independent contractors for providing and operating revenue equipment owned and maintained by independent contractors. 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 Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Operating Lease, Liability Operating Lease, Liability Insider Trading Policies and Procedures [Line Items] Accounts Receivable, Allowance for Credit Loss, Current Accounts Receivable, Allowance for Credit Loss, Current Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Number of Shares Authorized to be Repurchased Share Repurchase Program, Authorized, Number of Shares Income taxes payable Accrued Income Taxes, Noncurrent Business Combination [Domain] Business Combination [Domain] Sold revenue equipment and property in other current assets Sold revenue equipment and property in other current assets Sold revenue equipment and property in other current assets Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Repurchase of Common Stock, Shares Repurchase of Common Stock, Shares Repurchase of Common Stock, Shares Construction in progress Construction in Progress, Gross Entity Central Index Key Entity Central Index Key Net Income (Loss) Net Income Loss EPS Net Income Loss EPS Less accumulated depreciation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Additional paid-in capital Additional Paid in Capital, Common Stock All Adjustments to Compensation All Adjustments to Compensation [Member] 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] Income Tax, Policy [Policy Text Block] Income Tax, Policy [Policy Text Block] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Income Statement [Abstract] Income Statement [Abstract] STOCKHOLDERS' EQUITY Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Operating Expenses Operating Expenses [Abstract] Deferred Income Taxes, Net Deferred Income Tax Assets, Net Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Intangible Asset, Finite-Lived [Table Text Block] Intangible Asset, Finite-Lived [Table Text Block] Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate Restricted Stock Shares Authorized Restricted Stock Shares Authorized Restricted Stock Shares Authorized City Area Code City Area Code Variable Rate [Domain] Variable Rate [Domain] Fuel surcharge revenue Fuel surcharge revenue Fuel surcharge revenue Document Information [Table] Document Information [Table] All Individuals All Individuals [Member] Name Forgone Recovery, Individual Name Weighted Average Interest Rate, Credit Facility Weighted Average Interest Rate, Credit Facility Weighted Average Interest Rate, Credit Facility Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Statement [Line Items] Statement [Line Items] Assets Assets Secured Overnight Financing Rate (SOFR) Overnight Financing Rate Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Preferred Stock, Shares Issued Preferred Stock, Shares Issued Stock Based Compensation Share-Based Payment Arrangement [Text Block] Contract with Customer, Duration [Domain] Contract with Customer, Duration [Domain] PEO PEO [Member] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Stock-based compensation expense Share-Based Payment Arrangement, Expense Goodwill Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents, Policy [Policy Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Debt Acquired Debt Debt Subsequent Event Type [Domain] Subsequent Event Type [Domain] Retained Earnings Retained Earnings [Member] Operating lease liabilities less current portion Operating Lease, Liability, Noncurrent Taxes Payable Taxes Payable, Current Term Facility Term Facility Term Facility Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Other comprehensive income, net of tax OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Diluted Diluted EPS, Per Share Amount Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Share Repurchases [Abstract] Share Repurchases [Abstract] Note 10.  Share Repurchases [Abstract] Consolidated Balance Sheets Parentheticals [Abstract] Consolidated Balance Sheets Parentheticals [Abstract] Consolidated Balance Sheets Parentheticals [Abstract] Finite-Lived Intangible Assets, Amortization Expense Intangible Asset, Finite-Lived, Amortization Expense Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] 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] PROPERTY AND EQUIPMENT Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization [Abstract] Intangible Assets Acquired Intangible Asset, Finite-Lived, Acquired Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] 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 Weighted average shares outstanding Weighted average shares outstanding [Abstract] Weighted average shares outstanding [Abstract] Communications and utilities Direct Communications and Utilities Costs Indefinite-Lived Trade Names Indefinite-Lived Trade Names Stock Repurchased During Period, Value Stock Repurchased During Period, Value DEI [Abstract] DEI [Abstract] DEI [Abstract] Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Intangible Assets and Goodwill Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Revenue from Contract with Customer [Text Block] Revenue from Contract with Customer [Text Block] Trailers [Member] 3715 Truck Trailers [Member] Subsegments [Domain] Subsegments [Domain] Subsegments [Axis] Subsegments [Axis] Change in other assets Payment for (Proceeds from) Other Investing Activity Operating Lease, Weighted Average Discount Rate, Percent Operating Lease, Weighted Average Discount Rate, Percent Other accruals Other Accrued Liabilities Amortization Period of Tires Amortization Period of Tires Amortization Period of Tires Segment Reporting [Table] Segment Reporting [Table] Available amount for issuance of letters of credit Available Issuance of Line of Credit Available Issuance of Line of Credit Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] Basis of Presentation and Accounting Pronouncements [Abstract] Basis of Presentation and Accounting Pronouncements [Abstract] Basis of Presentation and Accounting Pronouncements [Abstract] Other current assets Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating loss Operating Income (Loss) Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Contract with Customer, Duration [Axis] Contract with Customer, Duration [Axis] Unrecorded Unconditional Purchase Obligation Unrecorded Unconditional Purchase Obligation 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 declared per share Dividends declared per share Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Net loss Net income2 Net income Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Stock-based compensation, net of tax Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Shop and service equipment Machinery and Equipment, Gross Recovery of Erroneously Awarded Compensation Disclosure [Line Items] RECONCILIATION OF CASH, CASH EQUIVALENTS AND RESTRICTED CASH Restricted Cash and Cash Equivalent [Abstract] Common Stock, Shares, Issued Common Stock, Shares, Issued Measure: Measure [Axis] Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Axis] Equity Components [Axis] Equity Components [Axis] Other operating expenses Other Cost and Expense, Operating Product and Service [Domain] Product and Service [Domain] Cash paid during the period for income taxes, net of refunds Income Tax Paid, after Refund Received Valuation Allowance, Amount Deferred Tax Assets, Valuation Allowance fuel surcharge [Member] fuel surcharge [Member] Fuel Surcharge [Member] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities, Current Entity Small Business Entity Small Business Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Subsequent Events [Abstract] 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 ASSETS Other Assets, Noncurrent Document Type Document Type Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Fair Value as of Grant Date Award Grant Date Fair Value Use of Estimates Significant Accounting Policies [Text Block] Unsecured Credit Facility Unsecured Credit Facility Unsecured Credit Facility Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Operations and maintenance Operating Costs and Expenses Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Additions based on tax positions related to current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Loss 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 (Note 14) Commitments and Contingencies Intangible Asset, Finite-Lived, before Accumulated Amortization Intangible Asset, Finite-Lived, before Accumulated Amortization Restricted cash included in other current assets Restricted Cash and Investments, Current Operating Revenue Revenues Property and equipment, gross Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Accounts payable, accrued liabilities, and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Outstanding Debt on Revolving Facility Outstanding Debt on Revolving Facility Outstanding Debt on Revolving Facility LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Trade Names [Member] Trade Names [Member] All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Financial Statement Location [Domain] Financial Statement Location [Domain] Financial Statement Location [Domain] SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION Supplemental Cash Flow Information [Abstract] Reductions due to lapse of applicable statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Treasury Stock, Shares, Acquired Treasury Stock, Shares, Acquired PEO Name PEO Name Long-term Line of Credit [Abstract] Long-Term Line of Credit [Abstract] Document Information, Document [Axis] Document Information, Document [Axis] Geographical [Axis] Geographical [Axis] Property, Plant and Equipment, Type [Axis] Long-Lived Asset, Class [Axis] Net loss Net Income Net Income Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Use of Estimates [Abstract] Use of Estimates [Abstract] Use of Estimates [Abstract] Repurchases of common stock Treasury Stock, Value, Acquired, Cost Method Insurance accruals Self Insurance Reserve, Current Revenue [Policy Text Block] Revenue [Policy Text Block] Beginning of period End of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] 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] Subsequent Event [Table] Subsequent Event [Table] Stock-based Compensation Share-Based Payment Arrangement, Noncash Expense Salaries, wages, and benefits Labor and Related Expense Subsegments Consolidation Items [Domain] Subsegments Consolidation Items [Domain] Gain on disposal of property and equipment Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Customer [Domain] Customer [Domain] Operating Leases Lessee, Operating Leases [Text Block] Basic Basic EPS, Per Share Amount Earnings Per Share, Basic Disclosure of restricted stock award activity Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Repurchase of Common Stock Payments for Repurchase of Common Stock Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Debt Instrument, Covenant, Maximum Net Leverage Ratio Debt Instrument, Covenant, Maximum Net Leverage Ratio Debt Instrument, Covenant, Maximum Net Leverage Ratio Long-term debt and finance lease liabilities less current portion Long-Term Debt, Excluding Current Maturities Award Type Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Trade receivables, net of $1.5 and $1.5 million allowance in 2026 and 2025, respectively Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] 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] Capital Stock, Common Common Stock [Member] Max Annual Dividend Max Annual Dividend Max Annual Dividend Restricted Stock Shares, Remaining Available Restricted Stock Shares, Remaining Available Restricted Stock Shares, Remaining Available Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period Share-Based Compensation Arrangement by Share-Based Payment Award, Shares 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