Document And Entity Information
Note To Financial Statement Details Textual
Significant Accounting Policies
Note 2 - Significant Accounting Policies
London Interbank Offered Rate (LIBOR) [Member]
Note 3 - Supplier Concentration
Note 4 - Accounts Receivable
Note 5 - Inventories
Note 6 - Valuation Accounts
Variable Rate [Domain]
Note 7 - Floor Plan Notes Payable and Lines of Credit
Variable Rate [Axis]
Note 8 - Long-term Debt
Prime Rate [Member]
Note 9 - Financial Instruments and Fair Value
us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax
Income tax benefit
Note 10 - Leasing Activities
Change in fair value of cash flow swaps
Note 11 - Share Based Compensation and Employee Benefit Plans
Note 12 - Earnings Per Share
Note 13 - Income Taxes
Revenues from external customers
us-gaap_Revenues
Total revenue
Revenues
Schedule of Long-term Debt Instruments [Table Text Block]
Note 16 - Accumulated Other Comprehensive Income
Note 17 - Unaudited Quarterly Financial Data
Note 18 - Segments
Note 2 - Significant Accounting Policies - Property and Equipment (Details)
us-gaap_AvailableForSaleSecurities
Available-for-sale Securities
Note 2 - Significant Accounting Policies - Goodwill (Details)
Note 2 - Significant Accounting Policies - Fair Value Assumption (Details)
Note 3 - Supplier Concentration - Major Suppliers and Dealership Agreements (Details)
us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
Change in fair value of available-for-sale securities
Note 4 - Accounts Receivable - Accounts Receivable (Details)
Note 5 - Inventories - Inventories (Details)
Note 6 - Valuation Accounts - Valuation and Allowance Accounts (Details)
Note 7 - Floor Plan Notes Payable and Lines of Credit - Assets Pledged as Collateral (Details)
Note 8 - Long-term Debt - Long-term Debt (Details)
Note 8 - Long-term Debt - Debt Maturities (Details)
Note 9 - Financial Instruments and Fair Value - Investment in Auction Rate Securities, Fair Value (Details)
Note 9 - Financial Instruments and Fair Value - Investment in Auction Rate Securities (Details)
Note 9 - Financial Instruments and Fair Value - Pre-tax Effect of Interest Rate Swaps (Details)
Note 10 - Leasing Activities - Future Minimum Lease Payments Under Capital and Non-cancelable Vehicle Leases (Details)
Note 10 - Leasing Activities - Future Minimum Rental Receivable (Details)
Note 10 - Leasing Activities - Future Minimum Lease Payments Under Operating Leases (Details)
Investments
Note 11 - Share Based Compensation and Employee Benefit Plans - Stock Option (Details)
Note 11 - Share Based Compensation and Employee Benefit Plans - Non-vested Options (Details)
Note 11 - Share Based Compensation and Employee Benefit Plans - Non-vested Restricted Stock Awards and RSU's (Details)
Note 12 - Earnings Per Share - Earnings Per Share Calculation (Details)
Note 12 - Earnings Per Share - Anti-dilutive Securities (Details)
Cash flows from investing activities:
Note 13 - Income Taxes - Income Tax Expense (Benefits) (Details)
Note 13 - Income Taxes - Reconciliation (Details)
Note 13 - Income Taxes - Components of Income Taxes Related to Other Comprehensive Income (Details)
Note 13 - Income Taxes - Deferred Tax Assets and Liabilities (Details)
Note 13 - Income Taxes - Unrecognized Tax Benefits (Details)
Lease Arrangement, Type [Axis]
Note 16 - Accumulated Other Comprehensive Income - Accumulated Other Comprehensive Income (Loss) (Details)
Long-term Debt [Text Block]
Note 16 - Accumulated Other Comprehensive Income - Loss Reclassified From Accumulated Other Comprehensive Income (Loss) Into Earnings (Details)
Note 17 - Unaudited Quarterly Financial Data - Quarterly Financial Data (Details)
Lease Arrangement, Type [Domain]
Note 18 - Segments - Segment Reporting Information (Details)
Leases of Lessee Disclosure [Text Block]
Notes To Financial Statements
Notes To Financial Statements [Abstract]
Change in customer deposits
us-gaap_IncreaseDecreaseInCustomerDeposits
us-gaap_ComprehensiveIncomeNetOfTax
Comprehensive income
Income tax expense (benefit) related to components of other comprehensive income:
Quarterly Financial Information [Text Block]
Change in accrued expenses
us-gaap_IncreaseDecreaseInAccruedLiabilities
us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Line of Credit Facility, Remaining Borrowing Capacity
Preferred stock, outstanding (in shares)
Use of Estimates, Policy [Policy Text Block]
Common stock, outstanding (in shares)
us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Line of Credit Facility, Maximum Borrowing Capacity
New Accounting Pronouncements, Policy [Policy Text Block]
us-gaap_RealEstateHeldforsale
Real Estate Held-for-sale
Consolidation, Policy [Policy Text Block]
Subsequent Event [Member]
Line of Credit Facility, Lender [Domain]
Related Party [Axis]
Lender Name [Axis]
Subsequent Event Type [Domain]
Related Party [Domain]
Subsequent Event Type [Axis]
New and used commercial vehicle sales
Cash and cash equivalents
Cash and cash equivalents, beginning of year
Cash and cash equivalents, end of year
Subsequent Events [Text Block]
Change in trade accounts payable
us-gaap_IncreaseDecreaseInAccountsPayableTrade
Stock options exercised and stock awards, tax
Other
Debt Disclosure [Text Block]
Stock-based compensation related to stock options, restricted shares and employee stock purchase plan
Losses on cash flow swaps to:
us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassOtherPropertyPlantAndEquipmentNet
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Other Property, Plant, and Equipment, Net
us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassPropertyPlantAndEquipmentOtherAccumulatedDepreciation
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Property, Plant, and Equipment Other, Accumulated Depreciation
us-gaap_ConcentrationRiskPercentage1
Concentration Risk, Percentage
Product Concentration Risk [Member]
us-gaap_OperatingLeasesIncomeStatementLeaseRevenue
Lease and rental
us-gaap_OperatingLeasesIncomeStatementContingentRevenue
Operating Leases, Income Statement, Contingent Revenue
us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue
Operating Leases, Income Statement, Minimum Lease Revenue
us-gaap_InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet
Interest expense
us-gaap_TreasuryStockValue
Treasury stock, at cost: 934,171 class A shares and 4,625,181 class B shares in 2017 and 934,171 class A shares and 3,650,491 class B shares in 2016
Concentration Risk Type [Domain]
Concentration Risk Type [Axis]
Relationship to Entity [Domain]
us-gaap_StockRepurchasedDuringPeriodShares
Common stock repurchases (in shares)
Title of Individual [Axis]
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Change in prepaid expenses and other, net
us-gaap_StockRepurchasedDuringPeriodValue
Common stock repurchases
us-gaap_SharesIssued
Balance (in shares)
Balance (in shares)
Sales Revenue, Goods, Net [Member]
Auction Rate Securities [Member]
Deferred Bonus and Profit Sharing Arrangement, Individual Contract, Type of Deferred Compensation [Domain]
Deferred Bonus and Profit Sharing Arrangements, Individual Contracts, Type of Deferred Compensation [Axis]
Concentration Risk Benchmark [Domain]
us-gaap_AllocatedShareBasedCompensationExpense
Allocated Share-based Compensation Expense
Concentration Risk Benchmark [Axis]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Issuance of common stock under employee stock purchase plan (in shares)
Stock Issued During Period, Shares, Employee Stock Purchase Plans
Issuance of common stock under employee stock purchase plan
Vesting of restricted share awards (in shares)
us-gaap_IncreaseDecreaseInReceivables
Change in accounts receivable, net
Stock options exercised and stock awards (in shares)
Exercised (in shares)
Stock options exercised and stock awards
Vesting of restricted share awards
us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures
CCTTS [Member]
Name of related party.
Excess tax expense from stock-based compensation
Amount of cash inflow (outflow) from realized tax benefit (expense) related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.
Shares Issued to One Non-Employee Director 2 [Member]
Represents shares issued to one non-employee director 2.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
Forfeited (in shares)
Granted (in shares)
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
us-gaap_DeferredTaxAssetsValuationAllowance
Deferred Tax Assets, Valuation Allowance
us-gaap_CashSurrenderValueOfLifeInsurance
Cash Surrender Value of Life Insurance
us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and shareholders’ equity
Valuation Allowance by Deferred Tax Asset [Axis]
Retained earnings
Deferred Tax Asset [Domain]
Accumulated other comprehensive loss, net of tax
Summary of Valuation Allowance [Table Text Block]
Allowance for Trade Receivables [Member]
us-gaap_IncreaseDecreaseInInventories
Change in inventories
us-gaap_DeferredIncomeTaxLiabilities
Total
Unpaid Policy Claims and Claims Adjustment Expense, Policy [Policy Text Block]
us-gaap_DeferredTaxAssetsOther
Other
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Vehicle Leases as Lessee 1 [Member]
Represents the vehicle leases as lessee.
us-gaap_NumberOfReportableSegments
Number of Reportable Segments
us-gaap_NumberOfOperatingSegments
Number of Operating Segments
us-gaap_DeferredTaxAssetsInventory
Inventory
us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals
Accounts receivable
us-gaap_DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion
Total reclassifications
us-gaap_InterestIncomeExpenseNet
Total interest expense, net
Interest income (expense):
us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
Accrued liabilities
us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther
Capital lease obligations
Segment Reporting Disclosure [Text Block]
us-gaap_ValuationAllowancesAndReservesBalance
Balance
Balance End of Year
Fair Value Measurement, Policy [Policy Text Block]
us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense
Net Charged to Costs and Expenses
us-gaap_ValuationAllowancesAndReservesDeductions
Net Write-Offs
Prepaid expenses and other
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
Revenues:
Business Combinations Policy [Policy Text Block]
us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
Stock options
us-gaap_DeferredTaxAssetsOtherTaxCarryforwards
State tax credit
Valuation Allowances and Reserves [Domain]
Valuation Allowances and Reserves Type [Axis]
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Income Tax, Policy [Policy Text Block]
Internal Use Software, Policy [Policy Text Block]
Property, Plant and Equipment [Table Text Block]
Interest income
Interest income
us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
State net operating loss carry forward
Segment operating income
us-gaap_OperatingIncomeLoss
Operating income
Operating income
Paid in capital – stock based compensation
Schedule of Inventory, Current [Table Text Block]
us-gaap_DeferredTaxLiabilities
Net deferred income tax liability
us-gaap_CostOfRevenue
Total cost of products sold
Inventory Disclosure [Text Block]
(Benefit) provision for deferred income tax expense
Total deferred
us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals
us-gaap_GrossProfit
Gross profit
Gross profit
Treasury stock (in shares)
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Amendment Flag
Common stock, par value $.01 per share; 60,000,000 Class A shares and 20,000,000 Class B shares authorized; 31,345,116 Class A shares and 8,469,247 Class B shares outstanding in 2017; and 30,007,088 Class A shares and 9,245,447 Class B shares outstanding in 2016
us-gaap_ProductWarrantyAccrualPayments
Warranty claims
us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities
Excess tax expense from stock-based compensation
Common stock, authorized (in shares)
Components Being Replaced [Member]
Represents information pertaining to components being replaced.
Other assets, net
Common stock, par value (in dollars per share)
Lessee, Operating Lease, Disclosure [Table Text Block]
Stock-based compensation expense related to employee stock options and employee stock purchases
Selling, General and Administrative Expenses, Policy [Policy Text Block]
Other comprehensive income before tax and net of reclassification adjustments:
Advertising Costs, Policy [Policy Text Block]
us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Common Stock, Capital Shares Reserved for Future Issuance
Current Fiscal Year End Date
Cost of Sales, Policy [Policy Text Block]
us-gaap_CommonStockVotingRights
Common Stock, Voting Rights
us-gaap_AdjustmentForAmortization
Amortization
Document Fiscal Period Focus
us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1
Finite-Lived Intangible Assets, Remaining Amortization Period
Document Fiscal Year Focus
Document Period End Date
Preferred stock, par value $.01 per share; 1,000,000 shares authorized; 0 shares outstanding in 2017 and 2016
us-gaap_FiniteLivedIntangibleAssetUsefulLife
Finite-Lived Intangible Asset, Useful Life
Difference between book and tax basis- Depreciation and amortization
Document Type
Deferred income tax (assets) liabilities:
Sales Taxes, Policy [Policy Text Block]
Disclosure of accounting policy for sales taxes.
Income tax expense related to components of other comprehensive income
Income tax expense
Total
Depreciation and amortization
us-gaap_DepreciationDepletionAndAmortization
Preferred stock, authorized (in shares)
Document Information [Line Items]
Document Information [Table]
Preferred stock, par value (in dollars per share)
Changes in fair value
Other comprehensive income, before tax
us-gaap_Depreciation
Depreciation
us-gaap_AssetsCurrent
Total current assets
Entity Public Float
Entity Filer Category
Entity Current Reporting Status
Entity Voluntary Filers
Entity Well-known Seasoned Issuer
rusha_DebtInstrumentWorkingCapitalFeePercentage
Debt Instrument, Working Capital Fee Percentage
Working capital fee percentage.
rusha_DebtInstrumentPrepaymentProcessingFeeAmount
Debt Instrument, Prepayment Processing Fee Amount
Amount of prepayment processing fee payable to lenders.
us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability
Change in fair value of interest rate swaps
Assets held for sale
us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
State
Adjustments to reconcile net income to net cash provided by operating activities
us-gaap_CurrentStateAndLocalTaxExpenseBenefit
State
Entity Central Index Key
Entity Registrant Name
us-gaap_DeferredFederalIncomeTaxExpenseBenefit
Federal
Entity [Domain]
Legal Entity [Axis]
rusha_AuctionRateSecuritiesRedeemed
Auction Rate Securities Redeemed
Represents the redemption of auction rate securities.
Long-lived assets held for sale, fair value
us-gaap_CurrentFederalTaxExpenseBenefit
Federal
us-gaap_CurrentIncomeTaxExpenseBenefit
Total current
Change in fair value of available-for-sale securities
Deferred provision-
Current provision-
Entity Common Stock, Shares Outstanding (in shares)
Additional paid-in capital
Interest
Inventories, net
Total
Shareholders’ equity:
Revenue Recognition, Policy [Policy Text Block]
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Trading Symbol
us-gaap_InventoryValuationReserves
Less allowance
Comprehensive Income (Loss) Note [Text Block]
us-gaap_OtherInventory
Other
us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent
Reclassification of gain into income
us-gaap_StockholdersEquity
Total shareholders’ equity
Balance
Balance
us-gaap_OtherInventoryPurchasedGoods
Parts and accessories
Intangible Assets, Finite-Lived, Policy [Policy Text Block]
Goodwill and Intangible Assets, Policy [Policy Text Block]
New and used commercial vehicle sales
us-gaap_CostOfGoodsSold
Contribution Period [Axis]
Information by contribution period.
Note receivable affiliate
Every 6 Months [Member]
Represents every six months.
Contribution Period [Domain]
Cash flows from operating activities:
Concentration Risk Disclosure [Text Block]
us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Less allowance for bad debt and warranty claims
rusha_NumberOfEmployeesEligibleToParticipateInStockPurchasePlan
Number of Employees Eligible to Participate in Stock Purchase Plan
The number of employees eligible to participate in the entity's stock purchase plan.
us-gaap_AccountsReceivableGrossCurrent
Trade receivables
Cost of products sold:
Accounts receivable, net
Total
Statement [Line Items]
rusha_NumberOfEmployeesParticipatingInStockPurchasePlan
Number of Employees Participating in Stock Purchase Plan
The number of employees participating in the entity's stock purchase plan.
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
AOCI Attributable to Parent [Member]
us-gaap_PropertyPlantAndEquipmentUsefulLife
Property and equipment, estimated life (Year)
Fair Value Disclosures [Text Block]
rusha_IssuanceOfStockAndCashForNonemployeeDirectorCompensation
Issuance of Stock and Cash for Non-employee Director Compensation
Represents the issuance of stock and cash for compensation to a non-employee director.
Current assets:
Construction in Progress [Member]
Accounting Standards Update 2016-09 [Member]
Furniture and Fixtures [Member]
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash provided by (used in) financing activities
Amended and Restated 2007 Incentive Plan [Member]
Represents the Amended and Restated Rush Enterprises, Inc. 2007 Long-Term Incentive Plan.
Building and Building Improvements [Member]
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash used in investing activities
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash provided by operating activities
Leasehold Improvements [Member]
us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Net increase (decrease) in cash and cash equivalents
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Axis]
Land [Member]
Land and Building [Member]
Other comprehensive income
Other comprehensive income, net of tax
Segment income (loss) from continuing operations before taxes
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income before income taxes
Property, Plant and Equipment, Policy [Policy Text Block]
Inventory, Policy [Policy Text Block]
rusha_PrepaymentProcessingFee
Debt Instrument, Prepayment Processing Fee, Percent
The percent of prepayment processing fee.
us-gaap_OperatingLeasesFutureMinimumPaymentsDue
Total
Total minimum lease payments, Operating Leases
us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter
Thereafter
Business Acquisition, Acquiree [Domain]
Business Acquisition [Axis]
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
2021
If Termination Occurs after January 1, 2018 and on or Prior to July 1, 2018 [Member]
Represents if termination occurs after January 1, 2018 and on or prior to July 1, 2018.
us-gaap_DerivativeBasisSpreadOnVariableRate
Derivative, Basis Spread on Variable Rate
IfTermination Occurs after July 1, 2018 and Prior to June 30, 2019 [Member]
Represent if termination occurs after July 1, 2018 and prior to June 30, 2019.
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
2022
BMO Harris Bank N.A. [Member]
Represents BMO Harris Bank N.A.
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2019
Type of Adoption [Domain]
Adjustments for New Accounting Pronouncements [Axis]
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2020
us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2018
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
2021
us-gaap_LongTermDebt
Total
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
2020
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
Thereafter
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
2022
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
2019
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
2018
us-gaap_PaymentsForRepurchaseOfCommonStock
Common stock repurchased
Fair Value, Inputs, Level 3 [Member]
Retained Earnings [Member]
us-gaap_LineOfCredit
Long-term Line of Credit
Additional Paid-in Capital [Member]
us-gaap_ProceedsFromStockOptionsExercised
Proceeds from Stock Options Exercised
Fair Value Hierarchy [Domain]
Treasury Stock [Member]
Floor plan notes payable
Floor Plan Notes Payable
Amounts borrowed to finance the purchase of new and used commercial vehicle inventory.
Fair Value, Hierarchy [Axis]
rusha_PartsAndServiceSales
Aftermarket products and services sales
Aggregate revenue recognized during the period derived from parts sold to retail and wholesale customers, as well as revenue from commercial vehicle services and repairs.
Finance and insurance
Revenues recognized during the period representing fees earned for the arrangement of commercial vehicle financing for customers through various institutions as well as the sale of various insurance and commercial vehicle service contracts to customers.
rusha_CostOfProductsSoldPartsAndServiceSales
Aftermarket products and services sales
Total cost related to parts sold to retail and wholesale customers, as well as costs related to vehicle services and repairs.
Draws (payments) on floor plan notes payable – trade, net
rusha_IncreaseDecreaseInFloorPlanNotesPayableTradeNet
Increase or decrease in amounts borrowed to finance the purchase of new and used commercial vehicle inventory.
Draws (payments) on floor plan notes payable – non-trade, net
The net change during the reporting period in commercial vehicle floor plan due by the reporting entity.
Equity Component [Domain]
Proceeds from issuance of shares relating to employee stock options and employee stock purchases
Common Stock [Member]
Major Suppliers and Dealership Agreements [Table Text Block]
Tabular disclosure of major suppliers and dealership agreements.
Equity Components [Axis]
Trade Accounts Receivable From Sale of Vehicles [Member]
Trade Receivable Other Than Vehicles [Member]
rusha_InventoryNewCommercialVehiclesGross
New commercial vehicles
Inventory, new commercial vehicles, gross.
rusha_InventoryUsedCommercialVehiclesGross
Used commercial vehicles
Inventory, used commercial vehicles, gross.
Allowance for Warranty Receivables From Manufacturers [Member]
Represents the allowance for warranty receivables from manufacturers.
Parts Inventory [Member]
Commercial Vehicle Inventory [Member]
Ford Motor Financing Agreement [Member]
rusha_LineOfCreditAmountPledgedToSecureLettersOfCredit
Line of Credit Amount Pledged to Secure Letters of Credit
Line of credit, amount pledged to secure letters of credit.
Assets Pledged As Collateral [Table Text Block]
Tablular disclosure of assets pledged as collateral.
Variable Interest Rate Notes [Member]
Fixed Interest Rate Notes [Member]
Asset Class [Axis]
Asset Class [Domain]
us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Denominator for diluted earnings per share - adjusted weighted average shares outstanding and assumed conversions (in shares)
Anti-dilutive options – weighted average (in shares)
us-gaap_PaymentsOfDebtIssuanceCosts
Debt issuance costs
us-gaap_SharePrice
Share Price
rusha_LeaseTerm
Lease Term
Represents the lease term.
rusha_GoodwillAcquisitionsAndPurchaseAccountingAdjustmentsDuringPeriod
Acquisitions and adjustments
Amount of increase (decrease) from acquisitions and adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
us-gaap_AvailableForSaleSecuritiesAmortizedCost
Available-for-sale Securities, Amortized Cost Basis
Vehicles [Member]
rusha_GuaranteedResidualValueUnderCapitalLeaseArrangements
Guaranteed Residual Value Under Capital Lease Arrangements
Guaranteed residual value under capital lease arrangements.
rusha_MonthlyRentalPaymentOperatingLease
Monthly Rental Payment Operating Lease
Amount of monthly rental payment under the operating lease.
Transportation Equipment [Member]
Diluted (in dollars per share)
Diluted (in dollars per share)
Schedule of Future Minimum Lease Payments for Capital Leases and Operating Leases [Table Text Block]
Schedule of future minimum lease payments for capital leases and operating leases.
Schedule of Future Minimum Rental Receivable for Operating Leases [Table Text Block]
Schedule of future minimum rental receivable for operating leases.
us-gaap_RepaymentsOfLongTermCapitalLeaseObligations
Principal payments on capital lease obligations
rusha_MaximumFairValueForEmployeeStockPurchasePerYear
Maximum Fair Value for Employee Stock Purchase Per Year
Maximum fair value for employee stock purchase per year.
us-gaap_RepaymentsOfLongTermDebt
Principal payments on long-term debt
Diluted earnings per common share and common share equivalents (in dollars per share)
Employee Stock Purchase Plan [Member]
Employee stock purchase plan member.
The 2006 Non-Employee Director Stock Option Plan [Member]
The 2006 non-employee director stock option plan member.
rusha_ReductionInNumberOfSharesReservedForIssuance
Reduction in Number of Shares Reserved for Issuance
Reduction in number of shares reserved for issuance.
Basic earnings per common share (in dollars per share)
Highly Compensated Employees [Member]
Highly compensated employees member.
Machinery and Equipment [Member]
Denominator for basic earnings per share – weighted average shares outstanding (in shares)
us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Shares Issued to One Nonemployee Director [Member]
Shares issued to one nonemployee director member.
rusha_PaymentToNonemployeeDirectors
Payment to Nonemployee Directors
Payment to non-employee directors.
Basic (in dollars per share)
Basic (in dollars per share)
Shares Issued to Two Nonemployee Directors [Member]
Shares issued to two nonemployee directors member.
Scenario, Unspecified [Domain]
Selling, General and Administrative Expenses [Member]
Scenario, Forecast [Member]
Outstanding non-vested, aggregate intrinsic value
Share based compensation arrangement by share based payment award, equity instruments other than options, nonvested aggregate intrinsic value.
rusha_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedExpectedToVest
Expected to vest (in shares)
Share based compensation arrangement by share based payment award, equity instruments other than options, nonvested expected to vest.
rusha_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedExpectedToVestWeightedAverageRemainingContractualTerms
Expected to vest, weighted average remaining contractual life (Year)
Share based compensation arrangement by share based payment award equity instruments other than options, nonvested expected to vest, weighted average remaining contractual terms.
Scenario [Axis]
rusha_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedExpectedToVestAggregateIntrinsicValue
Expected to vest, aggregate intrinsic value
Share based compensation arrangement by share based payment award equity instruments other than options nonvested expected to vest aggregate intrinsic value.
Schedule of Income Taxes Related to Other Comprehensive Income [Table Text Block]
Schedule of income taxes related to other comprehensive income.
us-gaap_RestructuringAndRelatedCostIncurredCost
Restructuring and Related Cost, Incurred Cost
Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block]
Domestic Tax Authority [Member]
State and Local Jurisdiction [Member]
Income Tax Authority [Domain]
Proceeds from long-term debt
Income Tax Authority [Axis]
Truck Segment [Member]
Represents the truck segment.
us-gaap_BusinessCombinationConsiderationTransferred1
Business Combination, Consideration Transferred
Consolidation Items [Domain]
Income Statement Location [Domain]
us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable
Total
Consolidation Items [Axis]
Income Statement Location [Axis]
us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter
Thereafter
Rush 401 Plan [Member]
Represents the “Rush 401k Plan”, which is available to all Company employees and the employees of certain affiliates.
Operating Segments [Member]
Cash and Cash Equivalents, Policy [Policy Text Block]
Maximum [Member]
us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears
2020
Range [Domain]
us-gaap_OpenTaxYear
Open Tax Year
us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears
2019
Employees with More Than Five Years of Service [Member]
Represents employees with more than five years of service.
us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears
2022
Minimum [Member]
Employees with Less than Five Years of Service [Member]
Represents employees with less than five years of service.
us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted
Purchase Commitment, Remaining Minimum Amount Committed
Restructuring and Related Activities Disclosure [Text Block]
us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears
2021
Deferred Compensation Plan [Member]
Represents the Rush Enterprises, Inc. Deferred Compensation Plan (the “Deferred Compensation Plan”) pursuant to which selected employees and directors may elect to defer a portion of their annual compensation.
Purchase Commitment, Excluding Long-term Commitment [Axis]
rusha_DeferredCompensationArrangementWithIndividualVestedPercentage
Deferred Compensation Arrangement with Individual, Vested Percentage
Deferred compensation arrangement with an individual's vested percentage.
Significant Accounting Policies [Text Block]
Range [Axis]
us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent
2018
Purchase Commitment, Excluding Long-term Commitment [Domain]
Accounting Policies [Abstract]
us-gaap_UnrecognizedTaxBenefits
Unrecognized tax benefits at beginning of period
Unrecognized tax benefits at end of period
us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNet
Property Subject to or Available for Operating Lease, Net
Statement of Financial Position [Abstract]
us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
Reductions due to lapse of statute of limitations
us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
Gross increases – tax positions in current year
us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation
Property Subject to or Available for Operating Lease, Accumulated Depreciation
us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
Unrecognized Tax Benefits, Interest on Income Taxes Accrued
us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
Gross increases – tax positions in a prior year
us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
Unrecognized Tax Benefits, Interest on Income Taxes Expense
us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued
Unrecognized Tax Benefits, Income Tax Penalties Accrued
Statement of Cash Flows [Abstract]
Latest Tax Year [Member]
Earliest Tax Year [Member]
Statement of Stockholders' Equity [Abstract]
Receivable [Domain]
Receivable Type [Axis]
Quarterly Financial Information [Table Text Block]
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Tax Period [Domain]
Tax Period [Axis]
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss
Gross unrealized loss in accumulated OCI
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
rusha_NumberOfRealEstatePropertiesPutBackIntoService
Number of Real Estate Properties Put Back into Service
Represents the number of real estate properties previously classified as "held for sale" are put back into service during the period.
Schedule of Available-for-sale Securities Reconciliation [Table Text Block]
rusha_RealEstatePreviouslyHeldForSalePutBackIntoService
Real Estate Previously Held-for-sale Put Back Into Service
Represents the fair value of real estate previously held-for-sale that are put back into service during the period.
Other long-term liabilities
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
Vehicle Leases as Lessor [Member]
Represents the operating leases as lessor.
us-gaap_OperatingLossCarryforwards
Operating Loss Carryforwards
Construction Contracts for Facilities [Member]
Represents the construction contracts for facilities.
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income before taxes
Information Technology Contracts [Member]
Represents the information technology contracts.
Deferred income taxes, net
Income tax (benefit) provision
Income Tax Expense (Benefit)
Provision (benefit) for income taxes
rusha_IssuanceOfCashForNonemployeeDirectorCompensationPercent
Issuance of Cash for Non-employee Director Compensation, Percent
Represents the maximum percent of issuance of cash for compensation to a non-employee director.
Segments [Axis]
Other Segments [Member]
us-gaap_PledgedAssetsNotSeparatelyReportedOnStatementOfFinancialPosition
Total
Segments [Domain]
us-gaap_PledgedAssetsNotSeparatelyReportedOtherFinancialInstruments
Inventories, new and used vehicles at cost based on specific identification, net of allowance
us-gaap_PolicyTextBlockAbstract
Accounting Policies
us-gaap_PledgedAssetsNotSeparatelyReportedFinanceReceivables
Vehicle sale related accounts receivable
Credit Facility [Domain]
Major Types of Debt and Equity Securities [Domain]
Statement [Table]
Revolving Credit Facility [Member]
Major Types of Debt and Equity Securities [Axis]
Credit Facility [Axis]
Shares Issued to Four Non-employee Directors 2 [Member]
Represents the issuance of compensation to a separate number of four non-employee directors.
Cash flows from financing activities:
Income Statement [Abstract]
us-gaap_PaymentsForProceedsFromOtherInvestingActivities
Other
Common Class B [Member]
Common Class A [Member]
Capital lease obligations, net of current maturities
Obligations under capital leases less current portion
Transwest Truck Center and Ford Truck Franchise in Las Vegas [Member]
Represents the Transwest Truck Center Las Vegas, LLC which includes a Ford truck franchise in Las Vegas, Nevada.
Long-term debt, net of current maturities
Total long-term debt, net of current maturities
Class of Stock [Domain]
Class of Stock [Axis]
Award Type [Axis]
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Equity Award [Domain]
Computer Software, Intangible Asset [Member]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
Finite-Lived Intangible Assets by Major Class [Axis]
rusha_NumberOfRealEstatePropertiesSoldDuringPeriod
Number of Real Estate Properties Sold During Period
The number of real estate properties sold during the period.
us-gaap_IncomeTaxReconciliationOtherReconcilingItems
Other, net
us-gaap_IncomeTaxReconciliationOtherAdjustments
Tax effect of permanent differences
us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Revaluation of deferred taxes
us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionQuantityOfSecuritiesIssued
Share-based Goods and Nonemployee Services Transaction, Quantity of Securities Issued
Share-based Goods and Nonemployee Services Transaction, Supplier [Domain]
Supplier [Axis]
Customer deposits
us-gaap_LiabilitiesCurrent
Total current liabilities
Schedule of Maturities of Long-term Debt [Table Text Block]
us-gaap_PaymentsToAcquireBusinessesGross
Business acquisitions
Liabilities directly associated with assets held for sale
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
Share-based Compensation, Stock Options, Activity [Table Text Block]
rusha_FairValueMeasurementWithUnobservableInputsReconciliationNonrecurringBasisAssetGainLossIncludedInEarnings
Long-lived assets held for sale, gain (loss) included in earnings
Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
Expected dividend yield
Schedule of Nonvested Share Activity [Table Text Block]
Lease and rental
Operating Leases, Rent Expense
Acquisition
Risk-free interest rate
Reclassifications [Member]
Represents the re-classifications.
Expected stock volatility
Weighted-average stock volatility
us-gaap_DeferredCompensationLiabilityCurrent
Deferred Compensation Liability, Current
Business Combination Disclosure [Text Block]
Expected life (Year)
Outstanding non-vested, weighted average remaining contractual life (Year)
Current maturities of capital lease obligations
Less current portion
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value
Current maturities of long-term debt
Less: current maturities
us-gaap_OtherReceivablesGrossCurrent
Other accounts receivable
us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
State income taxes, net of federal benefit
us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
Income taxes at the federal statutory rate
Commitments and Contingencies Disclosure [Text Block]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
Vested, weighted average grant date fair value (in dollars per share)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Outstanding non-vested, weighted average grant date fair value (in dollars per share)
Outstanding non-vested, weighted average grant date fair value (in dollars per share)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Outstanding non-vested shares (in shares)
Outstanding non-vested shares (in shares)
us-gaap_InterestCostsCapitalized
Interest Costs Capitalized
Income Tax Disclosure [Text Block]
Letter of Credit [Member]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Loss (gain) on sale of property and equipment, net
Retirement Plan Name [Axis]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Granted (in shares)
Retirement Plan Name [Domain]
Proceeds from the sale of available for sale securities
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Vested (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice
Vested and exercisable, weighted average exercise price (in dollars per share)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
Vested and exercisable (in shares)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1
Vested and exercisable, weighted average remaining contractual life (Year)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue
Vested and exercisable, aggregate intrinsic value
us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter
Thereafter, Capital Leases
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
Expected to vest, weighted average exercise price (in dollars per share)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
Expected to vest (in shares)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1
Expected to vest, weighted average remaining contractual life (Year)
us-gaap_CapitalLeasesFutureMinimumPaymentsDue
Total minimum lease payments, Capital Leases
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
Expected to vest, aggregate intrinsic value
Loss on impairment of assets
Asset Impairment Charges
us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears
2022, Capital Leases
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value
us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears
2021, Capital Leases
rusha_DebtInstrumentVariableRateMinimumReferenceRate
Debt Instrument, Variable Rate, Minimum Reference Rate
The minimum reference rate used to compute variable rate on debt instrument.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent
2018, Capital Leases
us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears
2020, Capital Leases
us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears
2019, Capital Leases
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
Aggregate intrinsic value
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
Balance, weighted average remaining contractual life (Year)
Weighted-average fair value of stock options granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Forfeited, weighted average grant date fair value (in dollars per share)
Vested, weighted average grant date fair value (in dollars per share)
Deferred Tax Assets Related to Operating Loss Carryforwards [Member]
Deferred Tax Assets which are related to operating loss carryforwards.
Accrued expenses
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
Non-vested, weighted average grant date fair value (in dollars per share)
Non-vested, weighted average grant date fair value (in dollars per share)
us-gaap_GoodwillImpairmentLoss
Goodwill, Impairment Loss
us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares
Forfeited (in shares)
us-gaap_ImpairmentOfRealEstate
Impairment of Real Estate
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
Non-vested balance (in shares)
Non-vested balance (in shares)
us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments
Less amount representing interest, Capital Leases
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Balance, weighted average exercise price (in dollars per share)
Balance, weighted average exercise price (in dollars per share)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
Vested (in shares)
us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments
Present value of net minimum capital lease payments
us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
Forfeited, weighted average exercise price (in dollars per share)
us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
Granted, weighted average exercise price (in dollars per share)
Depreciation and amortization
Depreciation and amortization
us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
Exercised, weighted average exercise price (in dollars per share)
us-gaap_AmortizationOfIntangibleAssets
Amortization of Intangible Assets
Employee and director stock options and restricted share awards (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Balance (in shares)
Balance (in shares)
Trade accounts payable
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Per Employee
Current liabilities:
Schedule of Goodwill [Table Text Block]
us-gaap_AdvertisingExpense
Advertising Expense
us-gaap_DefinedContributionPlanCostRecognized
Defined Contribution Plan, Cost
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Proceeds from the sale of property and equipment
Segment assets
us-gaap_Assets
Total assets
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent
us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay
us-gaap_LongtermDebtPercentageBearingVariableInterestAmount
Variable interest rate term notes
us-gaap_LongTermDebtPercentageBearingFixedInterestRate
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate
us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent
us-gaap_LongTermDebtPercentageBearingVariableInterestRate
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate
us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Defined Contribution Plan, Employer Matching Contribution, Percent of Match
us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Amount
us-gaap_LongtermDebtPercentageBearingFixedInterestAmount
Fixed interest rate term notes
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
Gain (loss) on sale of assets
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Acquisition of property and equipment
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Net income
Net income
Net income
Plan Name [Axis]
Selling, general and administrative
Plan Name [Domain]
Net income available to common shareholders
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Restricted Stock Units (RSUs) [Member]
Restricted Stock [Member]
us-gaap_RelatedPartyTransactionRate
Related Party Transaction, Rate
Transwest San Diego, LLC [Member]
Information regarding the business acquisition of Transwest San Diego, LLC.
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Shares Issued to One Non-Employee Director 3 [Member]
Represents shares issued to one non-employee director.
us-gaap_RelatedPartyTransactionAmountsOfTransaction
Related Party Transaction, Amounts of Transaction
Assets acquired under capital leases
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Related Party Transactions Disclosure [Text Block]
Statement of Comprehensive Income [Abstract]
Noncash investing and financing activities:
Interest expense
us-gaap_InterestExpense
Interest expense
Supplemental disclosure of cash flow information:
Income taxes paid (refunded), net
us-gaap_IndefiniteLivedFranchiseRights
Indefinite-Lived Franchise Rights
Goodwill
Goodwill, net
Goodwill, balance
Goodwill, balance
us-gaap_DebtInstrumentPeriodicPayment
Debt Instrument, Periodic Payment
Property and equipment, net
Total
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Accumulated depreciation and amortization
us-gaap_PropertyPlantAndEquipmentGross
Property and equipment, gross
Debt Instrument [Axis]
Expenditures for segment assets
us-gaap_AdditionsToOtherAssetsAmount
us-gaap_DebtWeightedAverageInterestRate
Debt, Weighted Average Interest Rate
Debt Instrument, Name [Domain]
us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Debt Instrument, Basis Spread on Variable Rate
us-gaap_CapitalizedComputerSoftwareAccumulatedAmortization
Capitalized Computer Software, Accumulated Amortization
us-gaap_CapitalizedComputerSoftwareNet
Capitalized Computer Software, Net
us-gaap_DebtInstrumentInterestRateEffectivePercentage
Debt Instrument, Interest Rate, Effective Percentage
us-gaap_DueFromRelatedParties
Due from Related Parties
us-gaap_TableTextBlock
Notes Tables
Earnings Per Share [Text Block]
Earnings per common share: