Description of the Plan - Vesting (Details) - ArcBest 401(k) and DC Retirement Plan |
12 Months Ended |
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Dec. 31, 2025 | |
| Description of the Plan | |
| Vesting period | 3 years |
| DC Feature vesting feature | 3 years |
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- Definition Represents the DC feature period of vesting. No definition available.
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- Definition Represents the employer contribution period of vesting. 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/2009/role/commonPracticeRef
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- Details
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