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Acquisitions and Long-Lived Assets - Intermodal Acquisitions (Details) $ in Thousands	Jul. 14, 2019 USD ($)
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: