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Revenue (Details) | 9 Months Ended
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Sep. 30, 2019
Revenue [Abstract] |
Number of principal reporting segments | 4

X
- Definition The number of reporting segments for an entity. + References No definition available. + Details
Name: | fwrd_NumberOfPrincipalReportingSegments
Namespace Prefix: | fwrd_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Revenue [Abstract] + References No definition available. + Details
Name: | fwrd_RevenueAbstract
Namespace Prefix: | fwrd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration