XML 83 R70.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Legal Matters - Additional Information (Detail) - Robles Lawsuits [Member] |  |  | 12 Months Ended
--- | --- | --- | ---
Aug. 05, 2015 Plaintiff Employee | May 15, 2015 Plaintiff | Dec. 31, 2017
Loss Contingencies [Line Items] |  |  |
Percentage of California drivers who accepted settlement offers |  |  | 96.00%
Number of plaintiffs |  | 2 |
Number of plaintiffs against HGT | 63 |  |
Number of claims signed settlement agreements | 58 |  |
Hub And HGT [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Number of employees filed lawsuit | Employee | 5 |  |

X
- Definition Loss contingency percentage of claimants approving proposed settlement offer. + References No definition available. + Details
Name: | hubg_LossContingencyPercentageOfClaimantsApprovingProposedSettlementOffer
Namespace Prefix: | hubg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of employees filed lawsuit. + References No definition available. + Details
Name: | hubg_NumberOfEmployeesFiledLawsuit
Namespace Prefix: | hubg_
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_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of claims settled. + References No definition available. + Details
Name: | us-gaap_LossContingencyClaimsSettledNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total number of new claims filed pertaining to a loss contingency during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349 + Details
Name: | us-gaap_LossContingencyNewClaimsFiledNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of plaintiffs that have filed claims pertaining to a loss contingency. + References No definition available. + Details
Name: | us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LitigationCaseAxis=hubg_RoblesLawsuitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=hubg_HubGroupIncAndHubGroupTruckingIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |