XML 12 R1.htm IDEA: XBRL DOCUMENT v3.4.0.3
Document And Entity Information - shares
 3 Months Ended
Mar. 31, 2016
Apr. 21, 2016
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q1  
Entity Registrant Name WABASH NATIONAL CORP /DE  
Entity Central Index Key 0000879526  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Trading Symbol WNC  
Entity Common Stock, Shares Outstanding   64,831,340