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Leases, User Charges and Commitments - Additional Information (Detail) $ in Millions	9 Months Ended
	Sep. 30, 2019 USD ($)
Lease And Rental Expense [Line Items]
Right-of-use asset	$ 43.9
Lease liability	44.7
Expected annual subleases income	0.6
ASU No. 2016-02 [Member]
Lease And Rental Expense [Line Items]
Estimated ROU assets and lease liabilities	$ 11.2

X

- Definition

Capital and operating lease liability.

+ References

No definition available.

+ Details

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Namespace Prefix:	hubg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Capital and operating lease right of use asset.

+ References

No definition available.

+ Details

Name:	hubg_CapitalAndOperatingLeaseRightOfUseAsset
Namespace Prefix:	hubg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Estimated rIght of use assets and lease liabilities.

+ References

No definition available.

+ Details

Name:	hubg_EstimatedRIghtOfUseAssetsAndLeaseLiabilities
Namespace Prefix:	hubg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Expected annual sublease income.

+ References

No definition available.

+ Details

Name:	hubg_ExpectedAnnualSubleaseIncome
Namespace Prefix:	hubg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Lease and rental expense.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201602Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: