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Business Segments - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2017 Segment
Segment Reporting Information [Line Items]
Reporting business segments	2
Number of railheads	one or more
Mode LLC [Member]
Segment Reporting Information [Line Items]
Business acquisition, date	Apr. 01, 2011

X

- Definition

Number of railheads.

+ References

No definition available.

+ Details

Name:	hubg_NumberOfRailheads
Namespace Prefix:	hubg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=hubg_ModeLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: