v3.26.1
Legal Proceedings - Additional Information (Details)
1 Months Ended
May 31, 2026
USD ($)
EBP 002 | Subsequent Event
EBP, Legal Proceedings [Line Items]
Settlement funds distributed
$ 1,053,317
X
- Definition
EBP, Legal proceedings.
+ References
No definition available.
+ Details
Name:
odfl_EBPLegalProceedingsLineItems
Namespace Prefix:
odfl_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Settlement funds distributed.
+ References
No definition available.
+ Details
Name:
odfl_SettlementFundsDistributed
Namespace Prefix:
odfl_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
duration
X
- Details
Name:
dei_LegalEntityAxis=odfl_EBP002Member
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type:
X
- Details
Name:
us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type: