Annual report pursuant to Section 13 and 15(d)

Subsequent Event (Details)

v2.4.1.9
Subsequent Event (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Feb. 04, 2015
Feb. 02, 2014
Subsequent Event [Line Items]          
Business Acquisition, Pro Forma Revenue   $ 786,048us-gaap_BusinessAcquisitionsProFormaRevenue $ 710,107us-gaap_BusinessAcquisitionsProFormaRevenue    
Business Acquisition, Pro Forma Income (Loss) from Continuing Operations before Changes in Accounting and Extraordinary Items, Net of Tax   96,596us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax 91,215us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax    
Business Acquisition, Pro Forma Net Income (Loss)   61,286us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss 58,713us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss    
Business Acquisition, Pro Forma Earnings Per Share, Basic   $ 2.00us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic $ 1.95us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic    
Business Acquisition, Pro Forma Earnings Per Share, Diluted   $ 1.97us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted $ 1.91us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted    
Pending Business Combination, Consideration to be transferred 125,000us-gaap_BusinessCombinationConsiderationTransferred1        
Pending Business Combination, Escrow Deposit       16,500us-gaap_EscrowDeposit  
Line of Credit Facility Term, In Years       5fwrd_LineOfCreditFacilityTermInYears  
Line of Credit Facility, Maximum Borrowing Capacity       275,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity  
Term loan availability 90 days        
Line of Credit Facility, Periodic Payment 11.10%fwrd_TermLoanQuarterlyPaymentPercentage        
Debt Instrument, Basis Spread on Variable Rate   1.30%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1      
Debt Instrument, Description of Variable Rate Basis LIBOR LIBOR      
Debt Instrument, Basis Spread on Variable Rate, Minimum   1.10%fwrd_DebtInstrumentBasisSpreadOnVariableRateMinimum   1.00%fwrd_DebtInstrumentBasisSpreadOnVariableRateMinimum  
CST [Member]          
Subsequent Event [Line Items]          
Business Acquisition, Cash Paid         82,998fwrd_BusinessAcquisitionCashPaid
/ fwrd_ForwardAirCorp.SubsidiariesAxis
= fwrd_CSTMember
Business Combination, Acquired Receivables, Gross Contractual Amount         9,339us-gaap_BusinessCombinationAcquiredReceivablesGrossContractualAmount
/ fwrd_ForwardAirCorp.SubsidiariesAxis
= fwrd_CSTMember
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment         2,132us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ fwrd_ForwardAirCorp.SubsidiariesAxis
= fwrd_CSTMember
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets         35us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
/ fwrd_ForwardAirCorp.SubsidiariesAxis
= fwrd_CSTMember
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Goodwill         89,140us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ fwrd_ForwardAirCorp.SubsidiariesAxis
= fwrd_CSTMember
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities         6,535us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities
/ fwrd_ForwardAirCorp.SubsidiariesAxis
= fwrd_CSTMember
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt         11,215us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ fwrd_ForwardAirCorp.SubsidiariesAxis
= fwrd_CSTMember
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities         17,750us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
/ fwrd_ForwardAirCorp.SubsidiariesAxis
= fwrd_CSTMember
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Assets         100,747us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
/ fwrd_ForwardAirCorp.SubsidiariesAxis
= fwrd_CSTMember
Pending Business Combination, Escrow Deposit         10,000us-gaap_EscrowDeposit
/ fwrd_ForwardAirCorp.SubsidiariesAxis
= fwrd_CSTMember
CST [Member] | Trade Names [Member]          
Subsequent Event [Line Items]          
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   2 years      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill         500us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
/ fwrd_ForwardAirCorp.SubsidiariesAxis
= fwrd_CSTMember
CST [Member] | Customer Relationships [Member]          
Subsequent Event [Line Items]          
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   15 years      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill         36,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
/ fwrd_ForwardAirCorp.SubsidiariesAxis
= fwrd_CSTMember
CST [Member] | Goodwill [Member]          
Subsequent Event [Line Items]          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Goodwill         51,710us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_GoodwillMember
/ fwrd_ForwardAirCorp.SubsidiariesAxis
= fwrd_CSTMember
CST [Member] | Noncompete Agreements [Member]          
Subsequent Event [Line Items]          
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   5 years      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill         930us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_NoncompeteAgreementsMember
/ fwrd_ForwardAirCorp.SubsidiariesAxis
= fwrd_CSTMember
Towne possible net working capital shortfall [Member]          
Subsequent Event [Line Items]          
Pending Business Combination, Escrow Deposit       2,000us-gaap_EscrowDeposit
/ us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAxis
= fwrd_TownepossiblenetworkingcapitalshortfallMember
 
Towne possible claims [Member]          
Subsequent Event [Line Items]          
Pending Business Combination, Escrow Deposit       14,500us-gaap_EscrowDeposit
/ us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAxis
= fwrd_TownepotentialclaimsMember
 
Revolving Credit Facility [Member]          
Subsequent Event [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity       150,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_DebtInstrumentAxis
= us-gaap_RevolvingCreditFacilityMember
 
Debt Instrument, Basis Spread on Variable Rate, Minimum       0.30%fwrd_DebtInstrumentBasisSpreadOnVariableRateMinimum
/ us-gaap_DebtInstrumentAxis
= us-gaap_RevolvingCreditFacilityMember
 
Debt Instrument, Basis Spread on Variable Rate, Maximum       0.80%fwrd_DebtInstrumentBasisSpreadOnVariableRateMaximum
/ us-gaap_DebtInstrumentAxis
= us-gaap_RevolvingCreditFacilityMember
 
Letter of Credit [Member]          
Subsequent Event [Line Items]          
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases       25,000us-gaap_LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchases
/ us-gaap_DebtInstrumentAxis
= us-gaap_LetterOfCreditMember
 
Swing line loan [Member]          
Subsequent Event [Line Items]          
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases       15,000us-gaap_LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchases
/ us-gaap_DebtInstrumentAxis
= fwrd_SwinglineloanMember
 
Term loan [Member]          
Subsequent Event [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity       $ 125,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_DebtInstrumentAxis
= fwrd_TermloanMember
 
Debt Instrument, Basis Spread on Variable Rate, Minimum       0.10%fwrd_DebtInstrumentBasisSpreadOnVariableRateMinimum
/ us-gaap_DebtInstrumentAxis
= fwrd_TermloanMember
 
Debt Instrument, Basis Spread on Variable Rate, Maximum       0.60%fwrd_DebtInstrumentBasisSpreadOnVariableRateMaximum
/ us-gaap_DebtInstrumentAxis
= fwrd_TermloanMember
 
Federal funds [Member]          
Subsequent Event [Line Items]          
Debt Instrument, Basis Spread on Variable Rate 0.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= fwrd_FederalfundsMember