Goodwill and Other Intangible Assets - Goodwill Roll Forward (Details) $ in Thousands |
3 Months Ended |
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Mar. 31, 2021
USD ($)
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| Goodwill [Roll Forward] | |
| Beginning balance | $ 244,982 |
| Acquisition | 5,754 |
| Ending balance | 250,736 |
| Expedited Freight | |
| Goodwill [Roll Forward] | |
| Beginning balance | 165,268 |
| Acquisition | 0 |
| Ending balance | 165,268 |
| Intermodal | |
| Goodwill [Roll Forward] | |
| Beginning balance | 79,714 |
| Acquisition | 5,754 |
| Ending balance | $ 85,468 |
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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