Acquisitions - Expedited Freight (Details) - Land Air $ in Thousands  | 
 Jan. 31, 2023  
USD ($)  
terminal 
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| Business Acquisition [Line Items] | |
| Total assets acquired | $ | $ 56,567 | 
| Number of terminals | terminal | 25 | 
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- Definition Business Combination, Number Of Terminals Acquired No definition available. 
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- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of assets acquired at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Details 
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