$WERN
WERNER ENTERPRISES INC Stock $wern

$wern Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000079307422000012 Filed on February 28, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue	$765.2M	$2.734B	$620.3M
YoY Change	23.36%	15.27%	-0.24%
Cost Of Revenue	$125.9M	$452.6M	$82.50M
YoY Change	52.61%	35.91%	-21.58%
Gross Profit	$639.3M	$2.282B	$537.8M
YoY Change	18.88%	11.9%	4.1%
Gross Profit Margin	83.55%	83.45%	86.7%
Selling, General & Admin	$484.9M	$1.744B	$390.8M
YoY Change	24.07%	13.63%	0.93%
% of Gross Profit	75.84%	76.45%	72.67%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$71.27M	$267.7M	$63.80M
YoY Change	11.71%	1.68%	-1.39%
% of Gross Profit	11.15%	11.73%	11.86%
Operating Expenses	$540.2M	$1.971B	$456.4M
YoY Change	18.37%	8.8%	1.22%
Operating Profit	$99.09M	$309.1M	$81.45M
YoY Change	21.65%	35.93%	24.06%
Interest Expense	$2.729M	$4.423M	-$300.0K
YoY Change	-1009.67%	4.93%	-80.0%
% of Operating Profit	2.75%	1.43%	-0.37%
Other Income/Expense, Net	-$90.00K	$36.87M	$0.00
YoY Change		-1443.62%
Pretax Income	$101.1M	$346.0M	$81.10M
YoY Change	24.69%	53.99%	26.52%
Income Tax	$23.26M	$84.54M	$20.60M
% Of Pretax Income	23.0%	24.43%	25.4%
Net Earnings	$76.77M	$259.1M	$60.56M
YoY Change	26.77%	53.21%	24.87%
Net Earnings / Revenue	10.03%	9.47%	9.76%
Basic Earnings Per Share		$3.84	$0.88
Diluted Earnings Per Share	$1.146M	$3.82	$0.88
COMMON SHARES
Basic Shares Outstanding	66.88M shares	67.43M shares	69.10M shares
Diluted Shares Outstanding		67.86M shares

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$54.20M	$54.20M	$29.30M
YoY Change	84.97%	84.97%	10.98%
Cash & Equivalents	$54.20M	$54.20M	$29.33M
Short-Term Investments
Other Short-Term Assets	$63.36M	$68.52M	$33.69M
YoY Change	88.05%	70.46%	-13.27%
Inventory	$11.14M	$11.14M	$12.06M
Prepaid Expenses
Receivables	$460.5M	$469.5M	$341.1M
Other Receivables	$24.45M	$27.84M	$23.50M
Total Short-Term Assets	$631.2M	$631.2M	$456.9M
YoY Change	38.15%	38.15%	-2.02%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.613B	$1.642B	$1.543B
YoY Change	4.53%	5.7%	1.11%
Goodwill	$74.62M		$0.00
YoY Change
Intangibles	$55.32M		$0.00
YoY Change
Long-Term Investments
YoY Change
Other Assets	$229.3M	$200.9M	$156.5M
YoY Change	46.53%	37.02%	3.47%
Total Long-Term Assets	$1.973B	$1.973B	$1.700B
YoY Change	16.05%	16.04%	1.33%
TOTAL ASSETS
Total Short-Term Assets	$631.2M	$631.2M	$456.9M
Total Long-Term Assets	$1.973B	$1.973B	$1.700B
Total Assets	$2.604B	$2.604B	$2.157B
YoY Change	20.73%	20.73%	0.6%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$93.99M	$93.99M	$83.26M
YoY Change	12.88%	12.83%	-12.02%
Accrued Expenses	$28.76M	$152.1M	$25.03M
YoY Change	14.88%	7.85%	126.08%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$5.000M	$5.000M	$25.00M
YoY Change	-80.0%	-80.0%	-66.67%
Total Short-Term Liabilities	$268.7M	$268.7M	$274.0M
YoY Change	-1.95%	-1.94%	-11.28%
LONG-TERM LIABILITIES
Long-Term Debt	$422.5M	$422.5M	$175.0M
YoY Change	141.43%	141.43%	-22.22%
Other Long-Term Liabilities	$43.31M	$280.5M	$43.11M
YoY Change	0.46%	2.09%	104.05%
Total Long-Term Liabilities	$465.8M	$703.0M	$218.1M
YoY Change	113.56%	56.3%	932.3%
TOTAL LIABILITIES
Total Short-Term Liabilities	$268.7M	$268.7M	$274.0M
Total Long-Term Liabilities	$465.8M	$703.0M	$218.1M
Total Liabilities	$1.240B	$1.276B	$961.6M
YoY Change	28.97%	32.71%	191.43%
SHAREHOLDERS EQUITY
Retained Earnings	$1.667B		$1.439B
YoY Change	15.86%		11.15%
Common Stock	$122.7M		$116.8M
YoY Change	5.02%		2.99%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$441.7M		$337.9M
YoY Change	30.71%		19.68%
Treasury Stock Shares	14.74M shares		12.60M shares
Shareholders Equity	$1.328B	$1.328B	$1.195B
YoY Change
Total Liabilities & Shareholders Equity	$2.604B	$2.604B	$2.157B
YoY Change	20.73%	20.73%	0.6%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$76.77M	$259.1M	$60.56M
YoY Change	26.77%	53.21%	24.87%
Depreciation, Depletion And Amortization	$71.27M	$267.7M	$63.80M
YoY Change	11.71%	1.68%	-1.39%
Cash From Operating Activities	$79.48M	$332.8M	$99.50M
YoY Change	-20.13%	-25.36%	5.4%
INVESTING ACTIVITIES
Capital Expenditures	-$75.37M	$370.9M	-$118.7M
YoY Change	-36.51%	-10.22%	160.88%
Acquisitions		$201.8M
YoY Change
Other Investing Activities	-$13.03M	-$26.45M	$36.30M
YoY Change	-135.89%	-117.66%	1.97%
Cash From Investing Activities	-$88.39M	-$397.3M	-$82.30M
YoY Change	7.4%	50.91%	731.31%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$104.4M
YoY Change		84.79%
Debt Paid & Issued, Net		$0.00
YoY Change		-100.0%
Cash From Financing Activities	17.80M	$89.67M	-29.60M
YoY Change	-160.13%	-148.22%	-55.02%
NET CHANGE
Cash From Operating Activities	79.48M	$332.8M	99.50M
Cash From Investing Activities	-88.39M	-$397.3M	-82.30M
Cash From Financing Activities	17.80M	$89.67M	-29.60M
Net Change In Cash	8.880M	$24.86M	-12.40M
YoY Change	-171.61%	-705.21%	-166.31%
FREE CASH FLOW
Cash From Operating Activities	$79.48M	$332.8M	$99.50M
Capital Expenditures	-$75.37M	$370.9M	-$118.7M
Free Cash Flow	$154.8M	-$38.03M	$218.2M
YoY Change	-29.04%	-215.79%	55.97%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000793074
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	8700000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-49000.000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-141000	USD
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	0	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	0	USD
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	Segments
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	0-14690
CY2021	dei	Entity Registrant Name EntityRegistrantName	WERNER ENTERPRISES, INC.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NE
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	47-0648386
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	14507 Frontier Road
CY2021	dei	Entity Address Address Line2 EntityAddressAddressLine2	Post Office Box 45308
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Omaha
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	NE
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	68145-0308
CY2021	dei	City Area Code CityAreaCode	402
CY2021	dei	Local Phone Number LocalPhoneNumber	895-6640
CY2021	dei	Security12b Title Security12bTitle	Common Stock, $0.01 Par Value
CY2021	dei	Trading Symbol TradingSymbol	WERN
CY2021	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021Q2	dei	Entity Public Float EntityPublicFloat	3001000000.000	USD
CY2022Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	65803101	shares
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	us-gaap	Revenues Revenues	2734372000	USD
CY2020	us-gaap	Revenues Revenues	2372178000	USD
CY2019	us-gaap	Revenues Revenues	2463701000	USD
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	895012000	USD
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	795847000	USD
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	818487000	USD
CY2021	us-gaap	Fuel Costs FuelCosts	245866000	USD
CY2020	us-gaap	Fuel Costs FuelCosts	157124000	USD
CY2019	us-gaap	Fuel Costs FuelCosts	235928000	USD
CY2021	us-gaap	Direct Operating Maintenance Supplies Costs DirectOperatingMaintenanceSuppliesCosts	206701000	USD
CY2020	us-gaap	Direct Operating Maintenance Supplies Costs DirectOperatingMaintenanceSuppliesCosts	175842000	USD
CY2019	us-gaap	Direct Operating Maintenance Supplies Costs DirectOperatingMaintenanceSuppliesCosts	182909000	USD
CY2021	us-gaap	Direct Taxes And Licenses Costs DirectTaxesAndLicensesCosts	96095000	USD
CY2020	us-gaap	Direct Taxes And Licenses Costs DirectTaxesAndLicensesCosts	95746000	USD
CY2019	us-gaap	Direct Taxes And Licenses Costs DirectTaxesAndLicensesCosts	95525000	USD
CY2021	us-gaap	Operating Insurance And Claims Costs Production OperatingInsuranceAndClaimsCostsProduction	98658000	USD
CY2020	us-gaap	Operating Insurance And Claims Costs Production OperatingInsuranceAndClaimsCostsProduction	109816000	USD
CY2019	us-gaap	Operating Insurance And Claims Costs Production OperatingInsuranceAndClaimsCostsProduction	88913000	USD
CY2021	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	267700000	USD
CY2020	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	263286000	USD
CY2019	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	249527000	USD
CY2021	wern	Rent And Purchased Transportation RentAndPurchasedTransportation	641159000	USD
CY2020	wern	Rent And Purchased Transportation RentAndPurchasedTransportation	519184000	USD
CY2019	wern	Rent And Purchased Transportation RentAndPurchasedTransportation	549438000	USD
CY2021	us-gaap	Direct Communications And Utilities Costs DirectCommunicationsAndUtilitiesCosts	13460000	USD
CY2020	us-gaap	Direct Communications And Utilities Costs DirectCommunicationsAndUtilitiesCosts	14474000	USD
CY2019	us-gaap	Direct Communications And Utilities Costs DirectCommunicationsAndUtilitiesCosts	15303000	USD
CY2021	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	-39425000	USD
CY2020	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	13421000	USD
CY2019	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	2199000	USD
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	2425226000	USD
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	2144740000	USD
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	2238229000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	309146000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	227438000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	225472000	USD
CY2021	us-gaap	Interest Expense InterestExpense	4423000	USD
CY2020	us-gaap	Interest Expense InterestExpense	4215000	USD
CY2019	us-gaap	Interest Expense InterestExpense	6854000	USD
CY2021	us-gaap	Investment Income Interest InvestmentIncomeInterest	1211000	USD
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	1634000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	3326000	USD
CY2021	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	40317000	USD
CY2020	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	0	USD
CY2019	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	0	USD
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-236000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-163000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-38000	USD
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	36869000	USD
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-2744000	USD
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-3566000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	346015000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	224694000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	221906000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	84537000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55616000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	54962000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	261478000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	169078000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	166944000	USD
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2426000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	259052000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	169078000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	166944000	USD
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.84
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.45
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.40
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.82
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.44
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.38
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	67434000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	69018000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	69567000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67855000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	69427000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	70026000	shares
CY2021	us-gaap	Profit Loss ProfitLoss	261478000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	169078000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	166944000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1381000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2867000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1996000	USD
CY2021	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	3610000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-5238000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-651000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2229000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-8105000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1345000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	263707000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	160973000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	168289000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	2426000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	261281000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	160973000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	168289000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	54196000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	29334000	USD
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	9169000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	8686000	USD
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	460518000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	341104000	USD
CY2021Q4	us-gaap	Other Receivables OtherReceivables	24449000	USD
CY2020Q4	us-gaap	Other Receivables OtherReceivables	23491000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	11140000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	12062000	USD
CY2021Q4	wern	Prepaid Taxes Licenses And Permits PrepaidTaxesLicensesAndPermits	17549000	USD
CY2020Q4	wern	Prepaid Taxes Licenses And Permits PrepaidTaxesLicensesAndPermits	17231000	USD
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	63361000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	33694000	USD
CY2021Q4	us-gaap	Assets Current AssetsCurrent	631213000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	456916000	USD
CY2021Q4	us-gaap	Land Land	77172000	USD
CY2020Q4	us-gaap	Land Land	72103000	USD
CY2021Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	287331000	USD
CY2020Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	253708000	USD
CY2021Q4	wern	Revenue Equipment Gross RevenueEquipmentGross	1910874000	USD
CY2020Q4	wern	Revenue Equipment Gross RevenueEquipmentGross	1798511000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	282448000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	281013000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2557825000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2405335000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	944582000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	862077000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1613243000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1543258000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	74618000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	0	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	55315000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	0	USD
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	229324000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	156502000	USD
CY2021Q4	us-gaap	Assets Assets	2603713000	USD
CY2020Q4	us-gaap	Assets Assets	2156676000	USD
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	93987000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	83263000	USD
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	5000000	USD
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2603713000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	25000000	USD
CY2021Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	72594000	USD
CY2020Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	76917000	USD
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	44333000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	35594000	USD
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	28758000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	25032000	USD
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	24011000	USD
CY2020Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	28208000	USD
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	268683000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	274014000	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	422500000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	175000000	USD
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	43314000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	43114000	USD
CY2021Q4	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	237220000	USD
CY2020Q4	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	231638000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	268499000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	237870000	USD
CY2021Q4	us-gaap	Liabilities Liabilities	1240216000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	961636000	USD
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	35947000	USD
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	0	USD
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	80533536	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	80533536	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	65790112	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	67931726	shares
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	805000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	805000	USD
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	121904000	USD
CY2020Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	116039000	USD
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1667104000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1438916000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-20604000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-22833000	USD
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	14743424	shares
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	12601810	shares
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	441659000	USD
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	337887000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	1327550000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1195040000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2156676000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	261478000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	169078000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	166944000	USD
CY2021	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	267700000	USD
CY2020	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	263286000	USD
CY2019	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	249527000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	29488000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-10233000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	16401000	USD
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	60528000	USD
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	11271000	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	21557000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	10807000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	8903000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	8077000	USD
CY2021	wern	Increase Decrease In Self Insurance Reserves Noncurrent IncreaseDecreaseInSelfInsuranceReservesNoncurrent	-5582000	USD
CY2020	wern	Increase Decrease In Self Insurance Reserves Noncurrent IncreaseDecreaseInSelfInsuranceReservesNoncurrent	-3420000	USD
CY2019	wern	Increase Decrease In Self Insurance Reserves Noncurrent IncreaseDecreaseInSelfInsuranceReservesNoncurrent	-14188000	USD
CY2021	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-3105000	USD
CY2020	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	13641000	USD
CY2019	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-3360000	USD
CY2021	us-gaap	Increase Decrease In Equity Securities Fv Ni IncreaseDecreaseInEquitySecuritiesFvNi	-40317000	USD
CY2020	us-gaap	Increase Decrease In Equity Securities Fv Ni IncreaseDecreaseInEquitySecuritiesFvNi	0	USD
CY2019	us-gaap	Increase Decrease In Equity Securities Fv Ni IncreaseDecreaseInEquitySecuritiesFvNi	0	USD
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	101007000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	18258000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-15081000	USD
CY2021	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	27903000	USD
CY2020	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	7390000	USD
CY2019	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-975000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	14742000	USD
CY2019	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-12095000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	332819000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-2483000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-7537000	USD
CY2021	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-24118000	USD
CY2020	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	37216000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	445909000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	426644000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	370850000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	413065000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	420748000	USD
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	177801000	USD
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	146824000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	136873000	USD
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	201845000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2019	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	0	USD
CY2021	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	7593000	USD
CY2020	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	7966000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2021	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	10000000	USD
CY2020	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	5000000	USD
CY2019	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	11566000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-397301000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-263275000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-272309000	USD
CY2021	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	27500000	USD
CY2020	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	90000000	USD
CY2019	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	0	USD
CY2021	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	5000000	USD
CY2020	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	40000000	USD
CY2019	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	0	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	50000000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	100000000	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	250000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	275000000	USD
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	29083000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	24888000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	286190000	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	104444000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	56521000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	42301000	USD
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	4270000	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	4553000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1899000	USD
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	171000	USD
CY2021	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	35000	USD
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	89668000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-185962000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-155219000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-324000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-780000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	396000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	24862000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-4108000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-488000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	29334000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	33442000	USD
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	7124000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1111008000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	33930000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	54196000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	29334000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	33442000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	4228000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	4415000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	6441000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	81185000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	54173000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	49599000	USD
CY2021	us-gaap	Notes Issued1 NotesIssued1	5953000	USD
CY2020	us-gaap	Notes Issued1 NotesIssued1	3441000	USD
CY2019	us-gaap	Notes Issued1 NotesIssued1	6764000	USD
CY2021	us-gaap	Increase Decrease In Fair Value Of Interest Rate Fair Value Hedging Instruments1 IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments1	3610000	USD
CY2020	us-gaap	Increase Decrease In Fair Value Of Interest Rate Fair Value Hedging Instruments1 IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments1	-5238000	USD
CY2019	us-gaap	Increase Decrease In Fair Value Of Interest Rate Fair Value Hedging Instruments1 IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments1	-651000	USD
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	12250000	USD
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	21138000	USD
CY2021	wern	Property And Equipment Disposed Included In Other Receivables PropertyAndEquipmentDisposedIncludedInOtherReceivables	0	USD
CY2020	wern	Property And Equipment Disposed Included In Other Receivables PropertyAndEquipmentDisposedIncludedInOtherReceivables	30000	USD
CY2019	wern	Property And Equipment Disposed Included In Other Receivables PropertyAndEquipmentDisposedIncludedInOtherReceivables	18600000	USD
CY2021Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	7895000	USD
CY2020Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	6114000	USD
CY2019Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	6232000	USD
CY2021	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	33556000	USD
CY2020	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	0	USD
CY2019	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	0	USD
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Net Nonmonetary Assets Acquired Liabilities Assumed1 NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1	2500000	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Net Nonmonetary Assets Acquired Liabilities Assumed1 NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Net Nonmonetary Assets Acquired Liabilities Assumed1 NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1	0	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	54196000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	29334000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	26418000	USD
CY2021Q4	wern	Restrictedcashincludedinothercurrentassets Restrictedcashincludedinothercurrentassets	0	USD
CY2020Q4	wern	Restrictedcashincludedinothercurrentassets Restrictedcashincludedinothercurrentassets	0	USD
CY2019Q4	wern	Restrictedcashincludedinothercurrentassets Restrictedcashincludedinothercurrentassets	7024000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	54196000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	29334000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	33442000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1264753000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	168289000	USD
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1300000	shares
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	42301000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.11
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	286082000	USD
CY2019	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	102552	shares
CY2019	wern	Stock Issued During Period Value Stock Options Exercised And Tax Effect StockIssuedDuringPeriodValueStockOptionsExercisedAndTaxEffect	-1728000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8077000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	160973000	USD
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1482992	shares
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	56521000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.36
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	24770000	USD
CY2020	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	170193	shares
CY2020	wern	Stock Issued During Period Value Stock Options Exercised And Tax Effect StockIssuedDuringPeriodValueStockOptionsExercisedAndTaxEffect	-4553000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8903000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1195040000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	261281000	USD
CY2021	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	2297911	shares
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	104444000	USD
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.46
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	30864000	USD
CY2021	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	156297	shares
CY2021	wern	Stock Issued During Period Value Stock Options Exercised And Tax Effect StockIssuedDuringPeriodValueStockOptionsExercisedAndTaxEffect	-4270000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10807000	USD
CY2021	wern	Investment In Noncontrolling Interest InvestmentInNoncontrollingInterest	0	USD
CY2021	wern	Temporary Equity Purchase Accounting Adjustments TemporaryEquityPurchaseAccountingAdjustments	0	USD
CY2021	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	0	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1327550000	USD
CY2021	us-gaap	Nature Of Operations NatureOfOperations	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Nature of Business</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">: The Company is a truckload transportation and logistics provider operating under the jurisdiction of the U.S. Department of Transportation, similar governmental transportation agencies in the foreign countries in which we operate and various U.S. state regulatory authorities. Our ten largest customers comprised 49% of our revenues for the years ended December 31, 2021 and 2020, and 41% for the year ended December 31, 2019. Our largest customer, Dollar General, accounted for 14% and 12% of our total revenues in 2021 and 2020, respectively. Revenues generated by Dollar General are reported in both of our reportable operating segments. No single customer generated more than 9% of our total revenues in 2019.</span>
CY2020	wern	Revenue From Major Customers Percentage RevenueFromMajorCustomersPercentage	0.49
CY2021	wern	Revenue From Major Customers Percentage RevenueFromMajorCustomersPercentage	0.49
CY2019	wern	Revenue From Major Customers Percentage RevenueFromMajorCustomersPercentage	0.41
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Management Estimates</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">: The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the (i) reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and (ii) reported amounts of revenues and expenses during the reporting period. The most significant estimates that affect our financial statements include the accrued liabilities for insurance and claims, useful lives and salvage values of property and equipment, estimates for income taxes and the allowance for doubtful accounts. Actual results could differ from those estimates.</span>
CY2021	wern	Accountsreceivablerecordedinvestmentpastduedays Accountsreceivablerecordedinvestmentpastduedays	P90D
CY2021	us-gaap	Property Plant And Equipment Impairment PropertyPlantAndEquipmentImpairment	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Long-Lived Assets and Intangible Assets:</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> We review our long-lived assets and finite-lived intangible assets for impairment whenever events or circumstances indicate the carrying amount of such assets may not be recoverable. If based on that review, changes in circumstances indicate that the carrying amount of such assets may not be recoverable, we evaluate recoverability by comparing the undiscounted cash flows associated with the asset to the asset's carrying amount. We also evaluate the remaining useful lives of intangible assets to determine if events or trends warrant a revision to the remaining period of amortization. An impairment loss would be recognized if the carrying amount of the long-lived asset or intangible asset is not recoverable and the carrying amount exceeds its fair value. For long-lived assets classified as held and used, the carrying amount is not recoverable when the carrying value of the long-lived asset exceeds the sum of the future net cash flows. We do not separately identify assets by operating segment because tractors and trailers are routinely transferred from one operating fleet to another. As a result, none of our long-lived assets have identifiable cash flows from use that are largely independent of the cash flows of other assets and liabilities. Thus, the asset group used to assess impairment would include all of our assets.</span>
CY2020Q4	wern	Self Insurance Retention Liability SelfInsuranceRetentionLiability	10000000	USD
CY2021Q4	wern	Self Insurance Retention Liability SelfInsuranceRetentionLiability	10000000	USD
CY2021Q4	wern	Annual Aggregate Limit AnnualAggregateLimit	10000000	USD
CY2019Q4	wern	Self Insurance Retention Liability SelfInsuranceRetentionLiability	3000000	USD
CY2019Q4	wern	Self Insurance Retention Liability Additional Deductible SelfInsuranceRetentionLiabilityAdditionalDeductible	5000000	USD
CY2019	wern	Self Insurance Retention Workers Compensation SelfInsuranceRetentionWorkersCompensation	1000000	USD
CY2020	wern	Self Insurance Retention Workers Compensation SelfInsuranceRetentionWorkersCompensation	2000000	USD
CY2021	wern	Self Insurance Retention Workers Compensation SelfInsuranceRetentionWorkersCompensation	2000000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	259052000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	169078000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	166944000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	67434000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	69018000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	69567000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	421000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	409000	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	459000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67855000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	69427000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	70026000	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.84
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.45
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.40
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.82
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.44
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.38
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	18600000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	17200000	USD
CY2021Q4	us-gaap	Aoci Derivative Qualifying As Hedge Excluded Component After Tax AociDerivativeQualifyingAsHedgeExcludedComponentAfterTax	2000000	USD
CY2020Q4	us-gaap	Aoci Derivative Qualifying As Hedge Excluded Component After Tax AociDerivativeQualifyingAsHedgeExcludedComponentAfterTax	5600000	USD
CY2021	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	57200000	USD
CY2021	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	57200000	USD
CY2021	us-gaap	Revenues Revenues	2734372000	USD
CY2020	us-gaap	Revenues Revenues	2372178000	USD
CY2019	us-gaap	Revenues Revenues	2463701000	USD
CY2021	us-gaap	Revenues Revenues	2734372000	USD
CY2020	us-gaap	Revenues Revenues	2372178000	USD
CY2019	us-gaap	Revenues Revenues	2463701000	USD
CY2021	wern	Averagetransittime Averagetransittime	P3D
CY2021	wern	Other Revenues As A Percentage Of Total Revenue OtherRevenuesAsAPercentageOfTotalRevenue	0.02
CY2020	wern	Other Revenues As A Percentage Of Total Revenue OtherRevenuesAsAPercentageOfTotalRevenue	0.02
CY2019	wern	Other Revenues As A Percentage Of Total Revenue OtherRevenuesAsAPercentageOfTotalRevenue	0.03
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	460500000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	341100000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	9000000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	6900000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	1200000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	1500000	USD
CY2021	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	1500000	USD
CY2021	wern	Averagetransittime Averagetransittime	P3D
CY2020Q4	us-gaap	Goodwill Goodwill	0	USD
CY2021	wern	Goodwill Recorded In Acquisition Of Ecm GoodwillRecordedInAcquisitionOfECM	44710000	USD
CY2021	wern	Goodwill Recorded In Acquisition Of Nehds GoodwillRecordedInAcquisitionOfNEHDS	36534000	USD
CY2021	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-6626000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	74618000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	57200000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	1885000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	55315000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1900000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5437000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	5437000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	5437000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	5437000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	5437000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	28130000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	55315000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	28458000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	9951000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6380000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	3421000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	22634000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	6949000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	29014000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	10370000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y7M17D
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y9M25D
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.027	Rate
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.033	Rate
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	7048000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	5638000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	4681000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	3882000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	2739000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	8077000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	32065000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	3051000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	29014000	USD
CY2019Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	8700000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	8200000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	2800000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	6100000	USD
CY2021	wern	Right Of Use Assets Obtained In Business Combination RightOfUseAssetsObtainedInBusinessCombination	15600000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	4600000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	3900000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	3800000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	us-gaap	Lease Cost LeaseCost	15700000	USD
CY2020	us-gaap	Lease Cost LeaseCost	10100000	USD
CY2019	us-gaap	Lease Cost LeaseCost	8500000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	4800000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	3800000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	3800000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	11700000	USD
CY2020	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	12600000	USD
CY2019	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	13900000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	7468000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	358000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	0	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	0	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	0	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	0	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	7826000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	427500000	USD
CY2020Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	200000000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	us-gaap	Line Of Credit LineOfCredit	330000000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	wern	Debt Borrowing Capacity DebtBorrowingCapacity	500000000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	54900000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	5000000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	5000000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	417500000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	USD
CY2021Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	427500000	USD
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	18023000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	19760000	USD
CY2021Q4	us-gaap	Notes And Loans Receivable Gross Current NotesAndLoansReceivableGrossCurrent	3386000	USD
CY2020Q4	us-gaap	Notes And Loans Receivable Gross Current NotesAndLoansReceivableGrossCurrent	3807000	USD
CY2021Q4	us-gaap	Notes And Loans Receivable Gross Noncurrent NotesAndLoansReceivableGrossNoncurrent	14637000	USD
CY2020Q4	us-gaap	Notes And Loans Receivable Gross Noncurrent NotesAndLoansReceivableGrossNoncurrent	15953000	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	42049000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	53297000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	29102000	USD
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	12787000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	12106000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	9547000	USD
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	213000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	446000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-88000	USD
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	55049000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	65849000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	38561000	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	27593000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-8988000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	15094000	USD
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1895000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1245000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1307000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	29488000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-10233000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	16401000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	84537000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55616000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	54962000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55616000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	54962000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	72663000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	47186000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	46600000	USD
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	11599000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	8580000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	8575000	USD
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	275000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-150000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-213000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	84537000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Self Insurance DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance	55233000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	12203000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Self Insurance DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance	54913000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	16054000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	3958000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	4070000	USD
CY2021Q4	wern	Deferred Tax Assets Leasing Arrangements DeferredTaxAssetsLeasingArrangements	7033000	USD
CY2020Q4	wern	Deferred Tax Assets Leasing Arrangements DeferredTaxAssetsLeasingArrangements	2530000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1644000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2844000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	80071000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	80411000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	305002000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	308145000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	10985000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	0	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	7269000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	400000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	6333000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	6955000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	2485000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	17076000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	0	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1283000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1318000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	348570000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	318281000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	268499000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	237870000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-49000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-141000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	100000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	100000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	1900000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	1800000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2363000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	400000	USD
CY2021Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	0	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2541000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	65000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	92000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	320000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	220000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	323000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	490000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2425000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2363000	USD
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	20000000	shares
CY2021	wern	Share Based Compensation Arrangement By Share Based Payment Award Maximum Numberof Shares Awarded Per Employee Per Year ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberofSharesAwardedPerEmployeePerYear	500000	shares
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	6508744	shares
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	11800000	USD
CY2021	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y7M6D
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	136000	USD
CY2021	wern	Maximum Annual Stock Purchase Plan Contributions By Plan Participants MaximumAnnualStockPurchasePlanContributionsByPlanParticipants	20000	USD
CY2021	wern	Percentage Of Contribution To Employee Stock Purchase Plan PercentageOfContributionToEmployeeStockPurchasePlan	0.15
CY2021	wern	Percentage Of Interest Accrues On Purchase Plan Contributions PercentageOfInterestAccruesOnPurchasePlanContributions	0.0525
CY2021	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	297000	USD
CY2020	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	283000	USD
CY2019	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	265000	USD
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4904000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4748000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4414000	USD
CY2021	wern	Number Of Participants In Executive Nonqualified Excess Plan NumberOfParticipantsInExecutiveNonqualifiedExcessPlan	45
CY2021Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	12755000	USD
CY2020Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	11321000	USD
CY2021Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	10621000	USD
CY2020Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	9104000	USD
CY2021Q4	us-gaap	Purchase Commitment Remaining Minimum Amount Committed PurchaseCommitmentRemainingMinimumAmountCommitted	163200000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2017	us-gaap	Loss Contingency Damages Awarded Value LossContingencyDamagesAwardedValue	800000	USD
CY2017	wern	Loss Contingency Damages Awarded Expenses LossContingencyDamagesAwardedExpenses	500000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q1	wern	Gain On Sale Of Wgl GainOnSaleOfWGL	1000000	USD
CY2021	us-gaap	Revenues Revenues	2734372000	USD
CY2020	us-gaap	Revenues Revenues	2372178000	USD
CY2019	us-gaap	Revenues Revenues	2463701000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	309146000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	227438000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	225472000	USD
CY2021	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	267700000	USD
CY2020	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	263286000	USD
CY2019	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	249527000	USD
CY2021	us-gaap	Revenues Revenues	2734372000	USD
CY2020	us-gaap	Revenues Revenues	2372178000	USD
CY2019	us-gaap	Revenues Revenues	2463701000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1613243000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1543258000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1526276000	USD
CY2021	dei	Auditor Name AuditorName	KPMG LLP
CY2021	dei	Auditor Location AuditorLocation	Omaha, NE
CY2021	dei	Auditor Firm AuditorFirmId	185

Files In Submission

Name	View Source	Status
0000793074-22-000012-index-headers.html	Edgar Link	pending
0000793074-22-000012-index.html	Edgar Link	pending
0000793074-22-000012.txt	Edgar Link	pending
0000793074-22-000012-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
wern-20211231.htm	Edgar Link	pending
wern-20211231.xsd	Edgar Link	pending
wern-20211231ex21.htm	Edgar Link	pending
wern-20211231ex231.htm	Edgar Link	pending
wern-20211231ex311.htm	Edgar Link	pending
wern-20211231ex312.htm	Edgar Link	pending
wern-20211231ex321.htm	Edgar Link	pending
wern-20211231ex322.htm	Edgar Link	pending
wern-20211231_cal.xml	Edgar Link	unprocessable
wern-20211231_def.xml	Edgar Link	unprocessable
wern-20211231_g1.jpg	Edgar Link	pending
wern-20211231_htm.xml	Edgar Link	completed
wern-20211231_lab.xml	Edgar Link	unprocessable
wern-20211231_pre.xml	Edgar Link	unprocessable

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$WERN
WERNER ENTERPRISES INC Stock $wern

2021 Q4 Form 10-K Financial Statement

#000079307422000012 Filed on February 28, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WERN WERNER ENTERPRISES INC Stock $wern

2021 Q4 Form 10-K Financial Statement

#000079307422000012 Filed on February 28, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WERN
WERNER ENTERPRISES INC Stock $wern