| Cover Page | Jul. 08, 2024 |
| Cover [Abstract] | |
| Document Type | S-1/A |
| Entity Registrant Name | FORWARD AIR CORP |
| City Area Code | 423 |
| Local Phone Number | 636-7000 |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000912728 |
| Amendment Flag | false |
| Entity Filer Category | Large Accelerated Filer |
| Entity Small Business | false |
