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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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Nominal or face amount used to calculate payments on the derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Notional Amount
-URI http://asc.fasb.org/extlink&oid=6519104

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5579245-113959

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

+ Details

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=plow_InterestRateSwapEffective31December2015Through29March2018Member
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Description of business and basis of presentation (Details) $ in Thousands			9 Months Ended	12 Months Ended
	Jul. 15, 2016 segment	Jul. 14, 2016 segment	Sep. 30, 2016 segment	Dec. 31, 2016 USD ($) segment	Dec. 31, 2015	Feb. 20, 2015 USD ($)
Interim Consolidated Financial Information
Number of operating segments \| segment	2	1	1	2
Litigation proceeds				$ 10,050
Interest rate swap
Interim Consolidated Financial Information
Fixed interest rate (as a percent)					6.335%
Interest rate swap \| London Interbank Offered Rate (LIBOR)
Interim Consolidated Financial Information
Interest rate added to variable rate (as a percent)					4.25%
LIBOR floor (as a percent)					1.50%
Interest Rate Swap Effective 31 December 2015 through 29 March 2018
Interim Consolidated Financial Information
Notional amount						$ 90,000
Fixed interest rate (as a percent)				6.916%
Interest Rate Swap Effective 31 December 2015 through 29 March 2018 \| London Interbank Offered Rate (LIBOR)
Interim Consolidated Financial Information
Interest rate added to variable rate (as a percent)				4.25%
LIBOR floor (as a percent)				1.00%
Interest Rate Swap Effective 29 March 2018 through 31 March 2020
Interim Consolidated Financial Information
Notional amount						45,000
Fixed interest rate (as a percent)				6.105%
Interest Rate Swap Effective 29 March 2018 through 31 March 2020 \| London Interbank Offered Rate (LIBOR)
Interim Consolidated Financial Information
Interest rate added to variable rate (as a percent)				4.25%
LIBOR floor (as a percent)				1.00%
Interest Rate Swap Effective 31 March 2020 through 30 June 2021
Interim Consolidated Financial Information
Notional amount						$ 135,000
Fixed interest rate (as a percent)				7.168%
Interest Rate Swap Effective 31 March 2020 through 30 June 2021 \| London Interbank Offered Rate (LIBOR)
Interim Consolidated Financial Information
Interest rate added to variable rate (as a percent)				4.25%
LIBOR floor (as a percent)				1.00%