Represents standard product warranty period.

No definition available.

Name:	plow_StandardProductWarrantyPeriod
Namespace Prefix:	plow_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents standard product warranty period of warranty history used in estimating warranty costs.

+ References

No definition available.

+ Details

Name:	plow_StandardProductWarrantyPeriodOfWarrantyHistoryUsedInEstimatingWarrantyCosts
Namespace Prefix:	plow_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (c)(1),(c)(5)
-URI https://asc.fasb.org/extlink&oid=126907703&loc=d3e12565-110249

+ Details

Name:	us-gaap_StandardProductWarrantyAccrual
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount as of the balance sheet date of the aggregate standard product warranty liability that is expected to be paid within one year or the normal operating cycle, if longer. Does not include the balance for the extended product warranty liability.

+ References

No definition available.

+ Details

Name:	us-gaap_StandardProductWarrantyAccrualCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount as of the balance sheet date of the aggregate standard product warranty liability that is expected to be paid after one year or beyond the normal operating cycle, if longer. Does not include the balance for the extended product warranty liability.

+ References

No definition available.

+ Details

Name:	us-gaap_StandardProductWarrantyAccrualNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	srt_ProductOrServiceAxis=plow_SnowAndIceControlEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=plow_PartsAndAccessoriesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=plow_CertainSnowplowsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 11 - Warranty Liability (Details Textual) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Standard Product Warranty Period of Warranty History Used in Estimating Warranty Costs (Year)	5 years
Standard Product Warranty Accrual, Ending Balance	$ 6,518	$ 5,451	$ 6,368	$ 5,423	$ 4,677	$ 5,812
Standard Product Warranty Accrual, Noncurrent	2,734		2,723
Standard Product Warranty Accrual, Current	$ 3,784		$ 3,645
Snow And Ice Control Equipment [Member]
Standard Product Warranty Period (Year)	2 years
Parts And Accessories [Member]
Standard Product Warranty Period (Year)	1 year
Certain Snowplows [Member]
Standard Product Warranty Period (Year)	1 year