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Long-Term Debt - Swaps (Details) (USD $)
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3 Months Ended |
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Mar. 31, 2015
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| Derivative Instrument Detail [Abstract] | |
| Derivative Number of Contracts | 3plow_DerivativeNumberOfContracts |
| Interest Rate Derivative Liabilities, at Fair Value | $ 1,293,000us-gaap_InterestRateDerivativeLiabilitiesAtFairValue |
| Interest rate swap | |
| Derivative Instrument Detail [Abstract] | |
| Number of financial institutions for which the entity is exposed to counterparty credit risk |
1plow_DerivativeCounterpartyRiskNumberOfFinancialInstitutions / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember |
| Interest Rate Swap Effective 29 March 2018 through 31 March 2020 [Member] | |
| Derivative Instrument Detail [Abstract] | |
| Derivative Liability, Notional Amount |
90,000,000us-gaap_DerivativeLiabilityNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = plow_InterestRateSwapEffective29March2018Through31March2020Member |
| Derivative, Fixed Interest Rate |
6.916%us-gaap_DerivativeFixedInterestRate / us-gaap_DerivativeInstrumentRiskAxis = plow_InterestRateSwapEffective29March2018Through31March2020Member |
| Interest Rate Swap Effective 29 March 2018 through 31 March 2020 [Member] | London Interbank Offered Rate (LIBOR) [Member] | |
| Derivative Instrument Detail [Abstract] | |
| Derivative, Basis Spread on Variable Rate |
4.25%us-gaap_DerivativeBasisSpreadOnVariableRate / us-gaap_DerivativeInstrumentRiskAxis = plow_InterestRateSwapEffective29March2018Through31March2020Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
| Derivative, Floor Interest Rate |
(1.00%)us-gaap_DerivativeFloorInterestRate / us-gaap_DerivativeInstrumentRiskAxis = plow_InterestRateSwapEffective29March2018Through31March2020Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
| Interest Rate Swap Effective 31 December 2015 through 29 March 2018 [Member] | |
| Derivative Instrument Detail [Abstract] | |
| Derivative Liability, Notional Amount |
45,000,000us-gaap_DerivativeLiabilityNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = plow_InterestRateSwapEffective31December2015Through29March2018Member |
| Derivative, Fixed Interest Rate |
6.105%us-gaap_DerivativeFixedInterestRate / us-gaap_DerivativeInstrumentRiskAxis = plow_InterestRateSwapEffective31December2015Through29March2018Member |
| Interest Rate Swap Effective 31 December 2015 through 29 March 2018 [Member] | London Interbank Offered Rate (LIBOR) [Member] | |
| Derivative Instrument Detail [Abstract] | |
| Derivative, Basis Spread on Variable Rate |
4.25%us-gaap_DerivativeBasisSpreadOnVariableRate / us-gaap_DerivativeInstrumentRiskAxis = plow_InterestRateSwapEffective31December2015Through29March2018Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
| Derivative, Floor Interest Rate |
(1.00%)us-gaap_DerivativeFloorInterestRate / us-gaap_DerivativeInstrumentRiskAxis = plow_InterestRateSwapEffective31December2015Through29March2018Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
| Interest Rate Swap Effective 31 March 2020 through 30 June 2021 [Member] | |
| Derivative Instrument Detail [Abstract] | |
| Derivative Liability, Notional Amount |
$ 135,000,000us-gaap_DerivativeLiabilityNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = plow_InterestRateSwapEffective31March2020Through30June2021Member |
| Derivative, Fixed Interest Rate |
7.168%us-gaap_DerivativeFixedInterestRate / us-gaap_DerivativeInstrumentRiskAxis = plow_InterestRateSwapEffective31March2020Through30June2021Member |
| Interest Rate Swap Effective 31 March 2020 through 30 June 2021 [Member] | London Interbank Offered Rate (LIBOR) [Member] | |
| Derivative Instrument Detail [Abstract] | |
| Derivative, Basis Spread on Variable Rate |
4.25%us-gaap_DerivativeBasisSpreadOnVariableRate / us-gaap_DerivativeInstrumentRiskAxis = plow_InterestRateSwapEffective31March2020Through30June2021Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
| Derivative, Floor Interest Rate |
1.00%us-gaap_DerivativeFloorInterestRate / us-gaap_DerivativeInstrumentRiskAxis = plow_InterestRateSwapEffective31March2020Through30June2021Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
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- Definition
Represents the number of financial institutions for which the entity is exposed to counterparty credit risk in relation to derivative instruments. No definition available.
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The number of derivative contracts held by the entity during the period. No definition available.
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The percentage points added to the reference rate to compute the variable rate on the interest rate derivative. No definition available.
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Fixed interest rate related to the interest rate derivative. No definition available.
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Floor rate on an interest rate derivative such as an interest rate floor or collar. If market rates falls below the floor rate, a payment or receipt is triggered on the contract. No definition available.
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Nominal or face amount used to calculate payments on the derivative liability. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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