Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.19.3
Subsequent Events (Details) - USD ($)
$ in Thousands
9 Months Ended
Oct. 31, 2019
Sep. 30, 2019
Sep. 30, 2018
Pension plan      
Subsequent Events      
Employer contributions during the period   $ 0 $ 7,047
Pension plan | Subsequent      
Subsequent Events      
Defined Benefit Plan Unrecognized Loss $ 6,541    
Douglas Dynamics LLC Pension Plan For Hourly Employees [Member] | Subsequent      
Subsequent Events      
Employer contributions during the period 3,245    
Douglas Dynamics LLC Salaried Pension Plan [Member] | Subsequent      
Subsequent Events      
Employer contributions during the period $ 12,476