Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues
Revenue	$ 1,784,078	$ 1,825,101
Lease and rental sales	87,921	86,666
Total revenue	1,871,999	1,911,767
Cost of products sold
Lease and rental sales	63,770	60,478
Total cost of products sold	1,482,124	1,512,998
Gross profit	389,875	398,769
Selling, general and administrative expense	263,665	256,808
Depreciation and amortization expense	15,750	14,314
Gain on sale of assets	150	129
Operating income	110,610	127,776
Other income (expense)	177	2,347
Interest expense, net	17,973	10,983
Income before taxes	92,814	119,140
Income tax provision	21,325	28,350
Net income	71,489	90,790
Less: Net income attributable to noncontrolling interest	(119)	335
Net income attributable to Rush Enterprises, Inc.	$ 71,608	$ 90,455
Net income attributable to Rush Enterprises, Inc. per share of common stock:
Basic (in dollars per share)	$ 0.91	$ 1.1
Diluted (in dollars per share)	$ 0.88	$ 1.07
Basic (in shares)	78,483	82,150
Diluted (in shares)	81,454	84,846
Dividends declared per common share (in dollars per share)	$ 0.17	$ 0.14
New and Used Commercial Vehicle [Member]
Revenues
Revenue	$ 1,123,319	$ 1,161,725
Cost of products sold
Costs of products sold	1,006,100	1,050,365
Parts and Service [Member]
Revenues
Revenue	649,196	648,226
Cost of products sold
Costs of products sold	412,254	402,155
Finance and Insurance [Member]
Revenues
Revenue	5,394	6,571
Product and Service, Other [Member]
Revenues
Revenue	$ 6,169	$ 8,579