Forward Air Corporation Annual report [Section 13 and 15(d), not S-K Item 405]

Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 2,601	$ 7,777	$ 7,858
Charged to Costs and Expenses	76,212	(4,232)	(23)
Charged to Other Operating Revenue	3,635	5,091	6,426
Deductions	6,671	6,035	6,484
Balance at End of Period	75,777	2,601	7,777
Allowance for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	1,124	1,499	1,707
Charged to Costs and Expenses	4,099	21	(46)
Charged to Other Operating Revenue	0	0	0
Deductions	2,608	396	162
Balance at End of Period	2,615	1,124	1,499
Allowance for revenue adjustments
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	1,082	1,630	1,526
Charged to Costs and Expenses	0	0	0
Charged to Other Operating Revenue	3,635	5,091	6,426
Deductions	4,063	5,639	6,322
Balance at End of Period	654	1,082	1,630
Deferred tax valuation allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	395	4,648	4,625
Charged to Costs and Expenses	72,113	(4,253)	23
Charged to Other Operating Revenue	0	0	0
Deductions	0	0	0
Balance at End of Period	$ 72,508	$ 395	$ 4,648