0001012019 2023-12-22 2023-12-22 0001012019 rusha:ClassACommonStockCustomMember 2023-12-22 2023-12-22 0001012019 rusha:ClassBCommonStockCustomMember 2023-12-22 2023-12-22 false 0001012019 8-K 2023-12-22 Rush Enterprises, Inc. TX 0-20797 74-1733016 555 IH-35 South, Suite 500 New Braunfels TX 78130 830 302-5200 false false false false Class A Common Stock RUSHA NASDAQ Class B Common Stock RUSHB NASDAQ false