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Description of Business and Basis of Presentation (Details) | 6 Months Ended
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Jun. 30, 2018
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