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CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Statement [Abstract]
Revenue	$ 3,571,126us-gaap_SalesRevenueServicesNet	$ 3,373,898us-gaap_SalesRevenueServicesNet	$ 3,124,108us-gaap_SalesRevenueServicesNet
Transportation costs	3,200,691us-gaap_CostOfServices	3,002,875us-gaap_CostOfServices	2,768,042us-gaap_CostOfServices
Gross margin	370,435us-gaap_GrossProfit	371,023us-gaap_GrossProfit	356,066us-gaap_GrossProfit
Costs and expenses:
Salaries and benefits	136,480us-gaap_LaborAndRelatedExpense	135,341us-gaap_LaborAndRelatedExpense	129,143us-gaap_LaborAndRelatedExpense
Agent fees and commissions	62,041us-gaap_SalesCommissionsAndFees	55,789us-gaap_SalesCommissionsAndFees	55,112us-gaap_SalesCommissionsAndFees
General and administrative	58,014us-gaap_OtherGeneralAndAdministrativeExpense	56,772us-gaap_OtherGeneralAndAdministrativeExpense	52,832us-gaap_OtherGeneralAndAdministrativeExpense
Depreciation and amortization	7,799us-gaap_DepreciationAndAmortization	6,470us-gaap_DepreciationAndAmortization	6,619us-gaap_DepreciationAndAmortization
Driver settlements and related costs	10,343hubg_SettlementOffersToDriversAndRelatedCosts
Impairment of software	11,881us-gaap_OtherAssetImpairmentCharges
Impairment of trade name		2,904us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill
Total costs and expenses	286,558us-gaap_OperatingExpenses	257,276us-gaap_OperatingExpenses	243,706us-gaap_OperatingExpenses
Operating income	83,877us-gaap_OperatingIncomeLoss	113,747us-gaap_OperatingIncomeLoss	112,360us-gaap_OperatingIncomeLoss
Other income (expense):
Interest expense	(1,785)us-gaap_InterestExpense	(1,246)us-gaap_InterestExpense	(1,207)us-gaap_InterestExpense
Interest and dividend income	32us-gaap_InvestmentIncomeInterestAndDividend	82us-gaap_InvestmentIncomeInterestAndDividend	134us-gaap_InvestmentIncomeInterestAndDividend
Other, net	(257)us-gaap_OtherNonoperatingIncomeExpense	(28)us-gaap_OtherNonoperatingIncomeExpense	(30)us-gaap_OtherNonoperatingIncomeExpense
Total other expense	(2,010)us-gaap_NonoperatingIncomeExpense	(1,192)us-gaap_NonoperatingIncomeExpense	(1,103)us-gaap_NonoperatingIncomeExpense
Income before provision for income taxes	81,867us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	112,555us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	111,257us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Provision for income taxes	30,309us-gaap_IncomeTaxExpenseBenefit	43,445us-gaap_IncomeTaxExpenseBenefit	43,304us-gaap_IncomeTaxExpenseBenefit
Net income	51,558us-gaap_NetIncomeLoss	69,110us-gaap_NetIncomeLoss	67,953us-gaap_NetIncomeLoss
Other comprehensive income (loss):
Foreign currency translation adjustments	8us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	(86)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	(3)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
Total comprehensive income	$ 51,566us-gaap_ComprehensiveIncomeNetOfTax	$ 69,024us-gaap_ComprehensiveIncomeNetOfTax	$ 67,950us-gaap_ComprehensiveIncomeNetOfTax
Basic earnings per common share	$ 1.41us-gaap_EarningsPerShareBasic	$ 1.88us-gaap_EarningsPerShareBasic	$ 1.83us-gaap_EarningsPerShareBasic
Diluted earnings per common share	$ 1.40us-gaap_EarningsPerShareDiluted	$ 1.87us-gaap_EarningsPerShareDiluted	$ 1.83us-gaap_EarningsPerShareDiluted
Basic weighted average number of shares outstanding	36,590us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	36,829us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	37,053us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted weighted average number of shares outstanding	36,732us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	36,982us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	37,185us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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The sum of expenses not otherwise specified in the taxonomy for managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

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Primarily represents commissions incurred in the period based upon the sale by commissioned employees or third parties of the entity's goods or services, and fees for sales assistance or product enhancements performed by third parties (such as a distributor or value added reseller).

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Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

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