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Leases, User Charges and Commitments - Additional Information (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Lease and Rental Expense [Line Items] |  |  |
Rental expense | $ 8,100,000 us-gaap_LeaseAndRentalExpense | $ 10,100,000 us-gaap_LeaseAndRentalExpense | $ 8,800,000 us-gaap_LeaseAndRentalExpense
Rail transportation charges | 67,800,000 hubg_RailTransportationCharges | 69,100,000 hubg_RailTransportationCharges | 67,000,000 hubg_RailTransportationCharges
Minimum commitments on rail owned chassis and containers | 0 us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted |  |
Transportation Costs [Member] |  |  |
Lease and Rental Expense [Line Items] |  |  |
Rental expense | $ 13,100,000 us-gaap_LeaseAndRentalExpense / us-gaap_MajorPropertyClassAxis = hubg_TransportationCostsMember | $ 10,200,000 us-gaap_LeaseAndRentalExpense / us-gaap_MajorPropertyClassAxis = hubg_TransportationCostsMember | $ 9,300,000 us-gaap_LeaseAndRentalExpense / us-gaap_MajorPropertyClassAxis = hubg_TransportationCostsMember

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- Definition Rail transportation charges. + References No definition available. + Details
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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- Definition Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 25 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 17 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.17) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.(a)(19)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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