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v3.24.0.1

Financial Performance Measures (Details) | 12 Months Ended
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Dec. 31, 2023
Financial Performance Measures |
Adjusted Operating Income, Compensation Weighting % of AIP | 50.00%
Adjusted ROCE, Compensation Weighting % of AIP | 50.00%
Relative TSR, Compensation Weighting % of C-LTIP | 50.00%
Average Adjusted ROCE for the three-year performance period, Compensation Weighting % of C-LTIP | 50.00%

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- Definition Adjusted Operating Income compensation weighting percentage of annual incentive compensation plan ("AIP"). + References No definition available. + Details
Name: | arcb_AdjustedOperatingIncomeCompensationWeightingPercentageOfAnnualIncentiveCompensationPlan
Namespace Prefix: | arcb_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Adjusted Return on Capital Employed compensation weighting percentage of annual incentive compensation plan ("AIP"). + References No definition available. + Details
Name: | arcb_AdjustedROCECompensationWeightingPercentageOfAnnualIncentiveCompensationPlan
Namespace Prefix: | arcb_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Average Adjusted Return on Capital Employed for the three-year performance period compensation weighting percentage of cash long-term incentive compensation plan ("C-LTIP"). + References No definition available. + Details
Name: | arcb_AverageAdjustedROCEForThreeYearPerformancePeriodCompensationWeightingPercentageOfCashLongTermIncentiveCompensationPlan
Namespace Prefix: | arcb_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | arcb_DisclosureFinancialPerformanceMeasuresDetailsAbstract
Namespace Prefix: | arcb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Relative Total Shareholder Return compensation weighting percentage of cash long-term incentive compensation plan ("C-LTIP"). + References No definition available. + Details
Name: | arcb_RelativeTSRCompensationWeightingPercentageOfCashLongTermIncentiveCompensationPlan
Namespace Prefix: | arcb_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration