(9) Fair Value Measurements (Details - Level 3 Fair Value Measurements) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Receivables, Fair Value Disclosure	$ 2,174,133	$ 1,749,098	$ 1,903,857	$ 1,582,175	$ 1,533,723	$ 1,523,726
Discount Rate on Finance Receivables	9.9% - 11.3%	10.6% - 11.3%
Cumulative Net Losses (Percent) on Finance Receivables	10.0% - 18.4%	10.0% - 18.4%
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Receivables, Fair Value Disclosure	$ 2,174,133	$ 1,749,098