XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.10.0.1

LONG-TERM DEBT AND FINANCING ARRANGEMENTS (Assets Sec) (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Financing Arrangements |  |
Total assets securing notes payable or held under capital leases | $ 284,489 | $ 272,330
Less accumulated depreciation and amortization | 87,868 | 87,691
Net assets securing notes payable or held under capital leases | 196,621 | 184,639
Revenue equipment |  |
Financing Arrangements |  |
Total assets securing notes payable or held under capital leases | 276,268 | 269,950
Land and structures (service centers) |  |
Financing Arrangements |  |
Total assets securing notes payable or held under capital leases | 1,794 | 1,794
Software |  |
Financing Arrangements |  |
Total assets securing notes payable or held under capital leases | 486 | 486
Service, office, and other equipment |  |
Financing Arrangements |  |
Total assets securing notes payable or held under capital leases | $ 5,941 | $ 100

X
- Definition Amount of accumulated depreciation and amortization on property, plant and equipment pledged to secure a debt instrument. + References No definition available. + Details
Name: | arcb_DebtInstrumentCollateralAccumulatedDepreciationAndAmortizationPropertyPlantAndEquipment
Namespace Prefix: | arcb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The gross amount of property, plant and equipment pledged to secure a debt instrument. + References No definition available. + Details
Name: | arcb_DebtInstrumentCollateralPropertyPlantAndEquipmentGross
Namespace Prefix: | arcb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The net amount of property, plant and equipment pledged to secure a debt instrument. + References No definition available. + Details
Name: | arcb_DebtInstrumentCollateralPropertyPlantAndEquipmentNet
Namespace Prefix: | arcb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_VehiclesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandBuildingsAndImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OtherMachineryAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |