Finance Receivables (Details - Charge-Offs for Financed Receivables) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Financing Receivable, Past Due [Line Items]
Charge-offs	$ 1,897	$ 4,446	$ 4,914	$ 9,805
Vintage Pool 2014 [Member]
Financing Receivable, Past Due [Line Items]
Charge-offs	67	243	208	535
Vintage Pool 2015 [Member]
Financing Receivable, Past Due [Line Items]
Charge-offs	297	653	741	1,742
Vintage Pool 2016 [Member]
Financing Receivable, Past Due [Line Items]
Charge-offs	713	1,514	2,034	3,539
Vintage Pool 2017 [Member]
Financing Receivable, Past Due [Line Items]
Charge-offs	1,230	2,131	2,732	4,303
Charged Against Repos In Inventory [Member]
Financing Receivable, Past Due [Line Items]
Charge-Offs for financed receivables applied	$ (410)	$ (95)	$ (801)	$ (314)