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	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Changes to accumulated other comprehensive loss by component
Balance at the beginning of the period	$ (6,049)	$ (6,572)
Other comprehensive gain before reclassifications	(1,111)	711
Amounts reclassified from accumulated other comprehensive loss	89	113
Balance at the end of the period	(7,071)	(5,748)
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 gain before reclassifications	(1,111)	711
Amounts reclassified from accumulated other comprehensive loss	36	21
Balance at the end of the period	(2,605)	(596)
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	(58)	(38)
Balance at the end of the period	2,060	1,354
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	110	130
Balance at the end of the period	$ (6,527)	$ (6,506)