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

Changes in Accumulated Other Comprehensive Loss by Component - Rollforward (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Changes to accumulated other comprehensive loss by component
Balance at the beginning of the period	$ (6,049)	$ (6,572)
Other comprehensive loss before reclassifications	(4,799)	2,058
Amounts reclassified from accumulated other comprehensive loss	309	522
Balance at the end of the period	(10,539)	(3,992)
Unrealized Net Loss on Interest Rate Swap
Changes to accumulated other comprehensive loss by component
Balance at the beginning of the period	(1,530)	(1,328)
Other comprehensive loss before reclassifications	(4,799)	2,058
Amounts reclassified from accumulated other comprehensive loss	152	247
Balance at the end of the period	(6,177)	977
Other Postretirement Benefit Liability
Changes to accumulated other comprehensive loss by component
Balance at the beginning of the period	2,118	1,392
Amounts reclassified from accumulated other comprehensive loss	(173)	(115)
Balance at the end of the period	1,945	1,277
Pension Liability
Changes to accumulated other comprehensive loss by component
Balance at the beginning of the period	(6,637)	(6,636)
Amounts reclassified from accumulated other comprehensive loss	330	391
Balance at the end of the period	$ (6,307)	$ (6,245)