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Legal Matters - Additional Information (Detail) - Robles Lawsuits [Member] |  | 1 Months Ended | 9 Months Ended
--- | --- | --- | ---
Aug. 05, 2015 Plaintiff Employee | May 31, 2015 Plaintiff | Sep. 30, 2018
Loss Contingencies [Line Items] |  |  |
Percentage of California drivers who accepted settlement offers |  |  | 96.00%
Number of new plaintiffs |  | 2 |
Number of plaintiffs against Hub Group Trucking | 63 |  |
Number of employees filed lawsuit | Employee | 5 |  |
Number of claims accepted settlement offers | 58 |  |

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- Details
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