XML 12 R1.htm IDEA: XBRL DOCUMENT v3.26.1
Cover Page - shares
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Apr. 24, 2026
Cover [Abstract]      
Document Type 10-Q    
Document Quarterly Report true    
Document Period End Date Mar. 31, 2026    
Document Transition Report false    
Entity File Number 001-10883    
Entity Registrant Name WABASH NATIONAL CORPORATION    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 52-1375208    
Entity Address, Address Line One 3900 McCarty Lane    
Entity Address, City or Town Lafayette    
Entity Address, State or Province IN    
Entity Address, Postal Zip Code 47905    
City Area Code 765    
Local Phone Number 771-5310    
Title of 12(b) Security Common Stock, $0.01 par value    
Trading Symbol WNC    
Security Exchange Name NYSE    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding (in shares)     40,673,967
Amendment Flag false    
Document Fiscal Year Focus 2026    
Document Fiscal Period Focus Q1    
Entity Central Index Key 0000879526    
Current Fiscal Year End Date --12-31    
Common Stock Shares Issued Not Disclosed true true