Douglas Dynamics, Inc. Quarterly report pursuant to Section 13 or 15(d)

Changes in Accumulated Other Comprehensive Income (Loss) by Component - Reclassifications (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Amounts reclassified from accumulated other comprehensive income (loss):
Interest expense, net	$ 2,113	$ 2,975
Tax expense (benefit)	(1,017)	(77)
Reclassification net of tax	3,908	(731)
Other Postretirement Benefit Liability \| Amount reclassified from accumulated other comprehensive income
Amounts reclassified from accumulated other comprehensive income (loss):
Actuarial gains	(55)	(78)
Tax expense (benefit)	14	20
Reclassification net of tax	(41)	(58)
Unrealized Net Gain (Loss) on Interest Rate Swap \| Interest rate swap \| Amount reclassified from accumulated other comprehensive income
Amounts reclassified from accumulated other comprehensive income (loss):
Interest expense, net	1,030	1,050
Tax expense (benefit)	(268)	(273)
Reclassification net of tax	$ 762	$ 777

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.