Note 5 - Inventories - Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
New commercial vehicles	$ 955,485	$ 617,225
Used commercial vehicles	86,306	95,051
Parts and accessories	369,562	290,007
Other	34,564	26,232
Less allowance	(16,488)	(8,379)
Total	$ 1,429,429	$ 1,020,136