Note 12 - Accounts Receivable and Allowance for Credit Losses - Allowance for Accounts Receivable (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($)
Balance	$ 1,590
Current period provision	3,556
Balance	2,456
Write offs against allowance, net of recoveries	(2,690)
Commercial Vehicle Receivables [Member]
Balance	76
Current period provision	105
Balance	181
Manufacturers' Receivables [Member]
Balance	419
Current period provision	1,368
Balance	584
Write offs against allowance, net of recoveries	(1,203)
Leasing, Parts and Service Receivables [Member]
Balance	1,069
Current period provision	2,083
Balance	1,666
Write offs against allowance, net of recoveries	(1,486)
Other Receivables [Member]
Balance	26
Balance	25
Write offs against allowance, net of recoveries	$ (1)