Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net income	$ 304,970	$ 348,061	$ 392,085
Other comprehensive income (loss), net of tax:
Foreign currency translation	(7,130)	1,967	(4,316)
Reclassification of currency translation related to equity method accounting			(601)
Other comprehensive income (loss) attributable to Rush Enterprises, Inc.	(7,130)	1,967	(4,917)
Comprehensive income	297,840	350,028	387,168
Less: Comprehensive income attributable to noncontrolling interest	817	1,006	703
Comprehensive income attributable to Rush Enterprises, Inc.	$ 297,023	$ 349,022	$ 386,465