XML 52 R42.htm IDEA: XBRL DOCUMENT v3.8.0.1
Nature of Operations and Basis of Presentation - Additional Information (Detail)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
May 17, 2017
shares
May 11, 2017
shares
Mar. 31, 2017
Segment
Sep. 30, 2017
shares
Sep. 30, 2016
Sep. 30, 2017
Segment
shares
Sep. 30, 2016
Dec. 31, 2016
Subsidiary
shares
Partnership Organization And Basis Of Presentation [Line Items]                
Number of operating segments | Segment     3     1    
Number of shares       16,585,062   16,585,062   16,200,294
Number of wholly owned subsidiaries sold | Subsidiary               2
ASV after transaction [Member]                
Partnership Organization And Basis Of Presentation [Line Items]                
Percentage of ownership interest after disposal 21.20%     21.20%        
Manitex International, Inc. [Member] | ASV after transaction [Member]                
Partnership Organization And Basis Of Presentation [Line Items]                
Number of shares sold 2,000,000              
ASV before transaction [Member]                
Partnership Organization And Basis Of Presentation [Line Items]                
Percentage of ownership interest prior to disposal   51.00% 51.00%   51.00%   51.00%  
Conversion of stock, shares converted   4,080,000            
Initial Public Offering [Member] | ASV after transaction [Member]                
Partnership Organization And Basis Of Presentation [Line Items]                
Number of shares 1,800,000              
Initial Public Offering [Member] | Manitex International, Inc. [Member] | ASV after transaction [Member]                
Partnership Organization And Basis Of Presentation [Line Items]                
Number of shares 2,000,000              
SVW [Member]                
Partnership Organization And Basis Of Presentation [Line Items]                
Percentage of ownership interest           0.00%