v3.25.1
Document And Entity Information
Apr. 30, 2025
Document Information [Line Items]  
Entity, Registrant Name Rush Enterprises, Inc.
Document, Type 8-K
Document, Period End Date Apr. 30, 2025
Entity, Incorporation, State or Country Code TX
Entity, File Number 0-20797
Entity, Tax Identification Number 74-1733016
Entity, Address, Address Line One 555 IH-35 South, Suite 500
Entity, Address, City or Town New Braunfels
Entity, Address, State or Province TX
Entity, Address, Postal Zip Code 78130
City Area Code 830
Local Phone Number 302-5200
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity, Emerging Growth Company false
Amendment Flag false
Entity, Central Index Key 0001012019
ClassACommonStockParValue001PerShare Custom [Member]  
Document Information [Line Items]  
Title of 12(b) Security Class A Common Stock, par value $0.01 per share
Trading Symbol RUSHA
Security Exchange Name NASDAQ
ClassBCommonStockParValue001PerShare Custom [Member]  
Document Information [Line Items]  
Title of 12(b) Security Class B Common Stock, par value $0.01 per share
Trading Symbol RUSHB
Security Exchange Name NASDAQ