XML 57 R48.htm IDEA: XBRL DOCUMENT
v3.23.2

LEASES - Cash Flows (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
Operating leases |  |
Noncash change in operating right-of-use assets | $ 15,283 | $ 12,810
Change in operating lease liabilities | (12,224) | (12,696)
Operating right-of-use assets and lease liabilities, net | 3,059 | 114
Cash paid for amounts included in the measurement of operating lease liabilities | $ (16,158) | $ (14,334)

X
- Definition Amount of increase (decrease) in operating lease liability during the period. + References No definition available. + Details
Name: | arcb_OperatingLeaseChangeInOperatingLeaseLiabilities
Namespace Prefix: | arcb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Noncash change in operating right-of-use assets. + References No definition available. + Details
Name: | arcb_OperatingLeaseNoncashChangeInOperatingRightOfUseAssets
Namespace Prefix: | arcb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of operating right-use-of-assets and lease liabilities, net. + References No definition available. + Details
Name: | arcb_OperatingRightUseOfAssetsAndLeaseLiabilitiesNet
Namespace Prefix: | arcb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
Name: | us-gaap_OperatingLeasePayments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration