Note 8 - Revenue - Disaggregated Revenue by Revenue Source (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenue	$ 1,837,583	$ 1,939,382	$ 3,598,160	$ 3,723,460
Commercial Vehicle [Member]
Revenue	1,191,504	1,300,308	2,322,274	2,423,627
Parts [Member]
Revenue	372,748	365,032	736,190	738,458
Commercial Vehicle Repair Service [Member]
Revenue	263,510	262,399	519,136	538,169
Financial Service [Member]
Revenue	2,100	2,387	4,130	4,462
Insurance [Member]
Revenue	3,452	3,550	6,634	6,869
Product and Service, Other [Member]
Revenue	$ 4,269	$ 5,706	$ 9,796	$ 11,875