Fair Value Measurements (Details - Level 3 Fair Value Measurements) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Receivables, Fair Value Disclosure	$ 2,722,662	$ 2,476,617	$ 1,749,098
Discount Rate on Finance Receivables	11.0%-11.7%	11.0%-11.3%
Cumulative Net Losses (Percent) on Finance Receivables	10.0%-21.7%	13.4%-19.4%