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

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- Definition

Rail transportation charges.

+ References

No definition available.

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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.

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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

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