Annual report pursuant to Section 13 and 15(d)

Accounting Policies (Details)

v2.4.1.9
Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Days
Dec. 31, 2013
Dec. 31, 2012
Accounting Policies [Line Items]      
Number of principal reporting segments 3fwrd_NumberOfPrincipalReportingSegments    
Forward Air number of categories of service 3fwrd_NumberOfCategoriesOfService    
Net income allocated to participating securities $ (404)us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic    
Accounting Policies, Use of Estimates [Abstract]      
Minimum number of days past due for receivable reserve 90fwrd_MinimumNumberOfDaysPastDueForReceivableReserve    
Average monthly revenue adjustments 205fwrd_AverageMonthlyRevenueAdjustments    
Average monthly revenue 65,080fwrd_AverageMonthlyRevenue    
Average monthly revenue adjustments as a percentage of monthly revenue 0.30%fwrd_AverageMonthlyRevenueAdjustmentsAsPercentageOfMonthlyRevenue    
Number of days in revenue adjustment reserve, minimum 45fwrd_NumberOfDaysInRevenueAdjustmentReserveMinimum    
Number of days in revenue adjustment reserve, maximum 100fwrd_NumberOfDaysInRevenueAdjustmentReserveMaximum    
Self insurance limit on individual vehicle and general claims 500fwrd_SelfInsuranceLimitOnIndividualVehicleAndGeneralClaims    
Self insurance limit on workers' compensation claims and health insurance claims 250fwrd_SelfInsuranceLimitOnWorkersCompensationClaimsAndHealthInsuranceClaims    
Self Insurance limit on Ohio workers' compensation and health insurance claims 500fwrd_SelfInsuranceLimitOnOhioWorkersCompensationAndHealthInsuranceClaims    
Accounting Policies, Cash and Cash Equivalents [Abstract]      
Maximum term for liquid investments to be considered cash equivalents, in months 3fwrd_MaximumTermForLiquidInvestmentsToBeConsideredCashEquivalentsInMonths    
Accounting Policies, Property and Equipment [Abstract]      
Depreciation 22,616us-gaap_Depreciation 17,817us-gaap_Depreciation 16,455us-gaap_Depreciation
Accounting Policies, Software Development [Abstract]      
Capitalized software development costs 13,246us-gaap_CapitalizedComputerSoftwareGross 11,763us-gaap_CapitalizedComputerSoftwareGross  
Capitalized computer software, accumulated amortization 9,065us-gaap_CapitalizedComputerSoftwareAccumulatedAmortization 7,644us-gaap_CapitalizedComputerSoftwareAccumulatedAmortization  
Capitalized Computer Software, Amortization 1,464us-gaap_CapitalizedComputerSoftwareAmortization 1,228us-gaap_CapitalizedComputerSoftwareAmortization 1,100us-gaap_CapitalizedComputerSoftwareAmortization
Accounting Policies, Share-based Payments [Abstract]      
Period from grant date of stock options to expiration (in years) 7 years    
Purchase Period for Employee Stock Purchase Plan 6 months    
Software and Software Development Costs [Member]      
Accounting Policies, Property and Equipment [Abstract]      
Property and equipment, useful life 5 years    
Capitalized software future estimated amortization expense      
2015 1,374fwrd_CapitalizedSoftwareAmortizationExpenseNextTwelveMonths
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
   
2016 1,080fwrd_CapitalizedSoftwareAmortizationExpenseYearTwo
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
   
2017 767fwrd_CapitalizedSoftwareAmortizationExpenseYearThree
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
   
2018 509fwrd_CapitalizedSoftwareAmortizationExpenseYearFour
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
   
2019 211fwrd_CapitalizedSoftwareAmortizationExpenseYearFive
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
   
Total $ 3,941fwrd_ComputerSoftwareNet
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
   
Key Employee Performance Share Based Plan [Member]      
Accounting Policies, Share-based Payments [Abstract]      
Share-based awards, vesting period 3 years    
Expected stock price volatility 32.50%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= fwrd_KeyEmployeePerformanceShareBasedPlanMember
34.50%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= fwrd_KeyEmployeePerformanceShareBasedPlanMember
40.80%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= fwrd_KeyEmployeePerformanceShareBasedPlanMember
Weighted average risk-free interest rate 0.70%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= fwrd_KeyEmployeePerformanceShareBasedPlanMember
0.40%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= fwrd_KeyEmployeePerformanceShareBasedPlanMember
0.40%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= fwrd_KeyEmployeePerformanceShareBasedPlanMember
Stock Option [Member]      
Accounting Policies, Share-based Payments [Abstract]      
Expected dividend yield (in hundredths) 1.20%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_AwardTypeAxis
= us-gaap_StockOptionMember
1.20%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_AwardTypeAxis
= us-gaap_StockOptionMember
0.90%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_AwardTypeAxis
= us-gaap_StockOptionMember
Expected stock price volatility 38.50%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= us-gaap_StockOptionMember
43.70%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= us-gaap_StockOptionMember
46.60%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= us-gaap_StockOptionMember
Weighted average risk-free interest rate 1.60%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= us-gaap_StockOptionMember
0.90%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= us-gaap_StockOptionMember
0.80%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= us-gaap_StockOptionMember
Expected life of options (in years) 5 years 3 months 12 days 5 years 2 months 12 days 4 years 2 months 12 days
Employee Stock Purchase Plan [Member]      
Accounting Policies, Share-based Payments [Abstract]      
Percentage of share price for shares issued under the ESPP (in hundredths) 90.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate
/ us-gaap_AwardTypeAxis
= fwrd_EmployeeStockPurchasePlanMember
   
Number of large lump sum contributions related to ESPP stock purchases 2fwrd_NumberOfLargeLumpSumContributionsRelatedToEsspStockPurchases
/ us-gaap_AwardTypeAxis
= fwrd_EmployeeStockPurchasePlanMember
   
Forward Air [Member]      
Accounting Policies, Use of Estimates [Abstract]      
Reserve percentage for past due accounts receivable 50.00%fwrd_ReservePercentageForPastDueAccountsReceivable
/ us-gaap_StatementBusinessSegmentsAxis
= fwrd_ForwardAirMember
   
Forward Air Intermodal Drayage Operations [Member]      
Accounting Policies, Use of Estimates [Abstract]      
Reserve percentage for past due accounts receivable 10.00%fwrd_ReservePercentageForPastDueAccountsReceivable
/ us-gaap_StatementBusinessSegmentsAxis
= fwrd_ForwardAirIntermodalDrayageOperationsMember
   
FASI [Member]      
Accounting Policies, Use of Estimates [Abstract]      
Reserve percentage for past due accounts receivable 25.00%fwrd_ReservePercentageForPastDueAccountsReceivable
/ us-gaap_StatementBusinessSegmentsAxis
= fwrd_FasiMember
   
TQI Pharmaceutical Operations [Member]      
Accounting Policies, Use of Estimates [Abstract]      
Reserve percentage for past due accounts receivable 10.00%fwrd_ReservePercentageForPastDueAccountsReceivable
/ us-gaap_StatementBusinessSegmentsAxis
= fwrd_TQIPharmaceuticalOperationsMember
   
TQI Non-Pharmaceutical Operations [Member]      
Accounting Policies, Use of Estimates [Abstract]      
Reserve percentage for past due accounts receivable 50.00%fwrd_ReservePercentageForPastDueAccountsReceivable
/ us-gaap_StatementBusinessSegmentsAxis
= fwrd_TQINonPharmaceuticalOperationsMember
   
Minimum [Member] | Building [Member]      
Accounting Policies, Property and Equipment [Abstract]      
Property and equipment, useful life 30 years    
Minimum [Member] | Equipment [Member]      
Accounting Policies, Property and Equipment [Abstract]      
Property and equipment, useful life 3 years    
Maximum [Member] | Building [Member]      
Accounting Policies, Property and Equipment [Abstract]      
Property and equipment, useful life 40 years    
Maximum [Member] | Equipment [Member]      
Accounting Policies, Property and Equipment [Abstract]      
Property and equipment, useful life 10 years