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v3.20.1

Acquisitions and Long-Lived Assets - Intermodal Acquisitions (Details) $ in Thousands | Jul. 14, 2019 USD ($)
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OST [Member] |
Business Acquisition, Cash Paid | $ 12,000

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- Definition Business Acquisition, Cash Paid + References No definition available. + Details
Name: | fwrd_BusinessAcquisitionCashPaid
Namespace Prefix: | fwrd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=fwrd_OSTMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |