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Stock Buy Back Plans - Additional Information (Detail) (USD $)	0 Months Ended	1 Months Ended	12 Months Ended
	Oct. 31, 2014	Nov. 30, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Oct. 22, 2014	Nov. 30, 2012
Equity Class Of Treasury Stock [Line Items]
Purchase of treasury shares (in shares)	310,982us-gaap_TreasuryStockSharesAcquired	190,289us-gaap_TreasuryStockSharesAcquired	501,271us-gaap_TreasuryStockSharesAcquired
Purchase of treasury shares			$ 18,024,000us-gaap_TreasuryStockValueAcquiredCostMethod	$ 13,791,000us-gaap_TreasuryStockValueAcquiredCostMethod	$ 11,208,000us-gaap_TreasuryStockValueAcquiredCostMethod
Class A Common Stock [Member]
Equity Class Of Treasury Stock [Line Items]
Stock repurchase program, authorized amount						75,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1 / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember	25,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1 / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
Purchase of treasury shares (in shares)			501,271us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember	377,906us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
Class A Common Stock [Member] | Employee Restricted Stock Plan [Member]
Equity Class Of Treasury Stock [Line Items]
Stock tendered for payments of withholding taxes (in shares)			80,772us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation / us-gaap_ShareRepurchaseProgramAxis = hubg_EmployeeRestrictedStockPlanMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember	75,995us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation / us-gaap_ShareRepurchaseProgramAxis = hubg_EmployeeRestrictedStockPlanMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
Purchase of treasury shares			$ 3,200,000us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_ShareRepurchaseProgramAxis = hubg_EmployeeRestrictedStockPlanMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember	$ 2,600,000us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_ShareRepurchaseProgramAxis = hubg_EmployeeRestrictedStockPlanMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember

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- Definition

For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

+ References

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

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