Schedule of Outstanding Debt (Parenthetical) (Detail) $ in Thousands	3 Months Ended
Mar. 31, 2016 USD ($)
Secured Equipment Notes due in December 2020 [Member]
Debt Instrument [Line Items]
Equipment notes due	Dec. 31, 2020
Monthly payments	$ 600
Equipment notes, date of first required payment	Jan. 31, 2016
Payment Frequency	monthly
Fixed rate, minimum	2.02%
Fixed rate, maximum	2.03%
Secured Equipment Notes due in September 2020 [Member]
Debt Instrument [Line Items]
Equipment notes due	Sep. 30, 2020
Monthly payments	$ 200
Equipment notes, date of first required payment	Oct. 31, 2015
Payment Frequency	monthly
Interest rate secured debt	1.84%
Secured Equipment Notes due in June 2020 [Member]
Debt Instrument [Line Items]
Equipment notes due	Jun. 30, 2020
Monthly payments	$ 100
Equipment notes, date of first required payment	Jul. 31, 2015
Payment Frequency	monthly
Interest rate secured debt	2.14%
Secured Equipment Notes due in March 2020 [Member]
Debt Instrument [Line Items]
Equipment notes due	Mar. 31, 2020
Monthly payments	$ 40
Equipment notes, date of first required payment	Apr. 30, 2015
Payment Frequency	monthly
Interest rate secured debt	2.14%
Secured Equipment Notes due in January 2020 [Member]
Debt Instrument [Line Items]
Equipment notes due	Jan. 31, 2020
Monthly payments	$ 200
Equipment notes, date of first required payment	Feb. 28, 2015
Payment Frequency	monthly
Fixed rate, minimum	1.72%
Fixed rate, maximum	2.26%
Secured Equipment Notes due in December 2019 [Member]
Debt Instrument [Line Items]
Equipment notes due	Dec. 31, 2019
Monthly payments	$ 200
Equipment notes, date of first required payment	Jan. 31, 2015
Payment Frequency	monthly
Interest rate secured debt	2.24%
Secured Equipment Notes due in November 2019 [Member]
Debt Instrument [Line Items]
Equipment notes due	Nov. 30, 2019
Monthly payments	$ 500
Equipment notes, date of first required payment	Dec. 31, 2014
Payment Frequency	monthly
Interest rate secured debt	2.05%
Secured Equipment Notes due in September 2019 [Member]
Debt Instrument [Line Items]
Equipment notes due	Sep. 30, 2019
Monthly payments	$ 400
Equipment notes, date of first required payment	Sep. 30, 2014
Payment Frequency	monthly
Interest rate secured debt	2.15%
Secured Equipment Notes due in February 2019 [Member]
Debt Instrument [Line Items]
Equipment notes due	Feb. 28, 2019
Monthly payments	$ 400
Equipment notes, date of first required payment	Jan. 31, 2014
Payment Frequency	monthly
Fixed rate, minimum	1.87%
Fixed rate, maximum	1.93%
Secured Equipment Notes due in June 2018 [Member]
Debt Instrument [Line Items]
Equipment notes due	Jun. 30, 2018
Monthly payments	$ 500
Equipment notes, date of first required payment	Aug. 31, 2013
Payment Frequency	quarterly
Fixed rate, minimum	1.90%
Fixed rate, maximum	2.00%

Date the debt agreement requires the first payment to be made, in CCYY-MM-DD format.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentDateOfFirstRequiredPayment1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Minimum contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

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

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ 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 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentPeriodicPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_LongtermDebtTypeAxis=hubg_EquipmentNotesDueDecemberTwoThousandTwentyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=hubg_EquipmentNotesDueSeptemberTwoThousandTwentyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=hubg_EquipmentNotesDueJuneTwoThousandTwentyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=hubg_EquipmentNotesDueMarchTwoThousandTwentyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=hubg_EquipmentNotesDueJanuaryTwoThousandTwentyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=hubg_EquipmentNotesDueDecemberTwoThousandNineteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=hubg_EquipmentNotesDueNovemberTwoThousandNineteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=hubg_EquipmentNotesDueSeptemberTwoThousandNineteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=hubg_EquipmentNotesDueFebruaryTwoThousandNineteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=hubg_EquipmentNotesDueJuneTwoThousandEighteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: