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Stock Buy Back Plans - Number of Shares Purchased and Maximum Value of Shares That yet be Purchased Under Plan (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	1 Months Ended	12 Months Ended
	Oct. 31, 2014	Nov. 30, 2014	Dec. 31, 2014
Equity [Abstract]
Total Number of Shares Purchased	310,982us-gaap_TreasuryStockSharesAcquired	190,289us-gaap_TreasuryStockSharesAcquired	501,271us-gaap_TreasuryStockSharesAcquired
Average Price Paid Per Share	$ 35.22us-gaap_TreasuryStockAcquiredAverageCostPerShare	$ 37.16us-gaap_TreasuryStockAcquiredAverageCostPerShare	$ 35.96us-gaap_TreasuryStockAcquiredAverageCostPerShare
Total Number of Shares Purchased as Part of Publicly Announced Plan	310,982hubg_StockRepurchaseProgramNumberOfSharesRepurchasedDuringPeriod	190,289hubg_StockRepurchaseProgramNumberOfSharesRepurchasedDuringPeriod	501,271hubg_StockRepurchaseProgramNumberOfSharesRepurchasedDuringPeriod
Maximum Value of Shares that May Yet Be Purchased Under the Plan	$ 64,047us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	$ 56,977us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	$ 56,977us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

X

- Definition

Stock repurchase program number of shares repurchased during period.

+ References

No definition available.

+ Details

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Namespace Prefix:	hubg_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_EquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

Reference 1: 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

+ Details

Name:	us-gaap_TreasuryStockAcquiredAverageCostPerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- 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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration