XML 76 R63.htm IDEA: XBRL DOCUMENT
v3.22.4

INCOME TAXES - NOL (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) Y | Dec. 31, 2021 USD ($)
State |  |
Operating loss carryforwards |  |
Operating loss carryforwards | $ 9.9 |
Valuation allowance, NOLs | 0.4 | $ 1.1
State tax department of Panther |  |
Operating loss carryforwards |  |
Operating loss carryforwards | 1.0 |
State tax department of other subsidiaries |  |
Operating loss carryforwards |  |
Operating loss carryforwards | $ 7.3 |
Number of prior years with taxable losses | Y | 3 |
Federal |  |
Operating loss carryforwards |  |
Operating loss carryforwards | $ 0.8 |
Removal of operating loss valuation allowance |  | $ 0.1
Minimum | State tax department of Panther |  |
Operating loss carryforwards |  |
Carryforward expiration period | 10 years |
Maximum | State tax department of Panther |  |
Operating loss carryforwards |  |
Carryforward expiration period | 15 years |

X
- Definition Represents the expiration period of carryforwards. Includes operating loss carryforward and tax credit carryforward periods. + References No definition available. + Details
Name: | arcb_OperatingLossAndContributionCarryforwardsExpirationPeriod
Namespace Prefix: | arcb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase (decrease) in valuation allowance for operating loss carryforwards. + References No definition available. + Details
Name: | arcb_OperatingLossCarryforwardsValuationAllowanceIncreaseDecrease
Namespace Prefix: | arcb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of prior years for which entity had taxable losses related to establishing valuation allowance. + References No definition available. + Details
Name: | arcb_OperatingLossCarryforwardsValuationAllowanceNumberOfYearsOfLoss
Namespace Prefix: | arcb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319 + Details
Name: | us-gaap_OperatingLossCarryforwards
Namespace Prefix: | us-gaap_
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_OperatingLossCarryforwardsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
Name: | us-gaap_OperatingLossCarryforwardsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=arcb_StateAndLocalJurisdictionPantherSubsidiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=arcb_StateAndLocalJurisdictionOtherSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |