Fair Value Measurements (Details - Delinquency status) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Initial Principal	$ 2,857,205	$ 2,701,184
Financial Asset, Not Past Due [Member]
Financing Receivable, Past Due [Line Items]
Initial Principal	2,531,445	2,375,271
Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Initial Principal	180,284	184,968
Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Initial Principal	74,963	72,390
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Initial Principal	28,619	29,048
Repossessed Vehicles [Member]
Financing Receivable, Past Due [Line Items]
Initial Principal	$ 41,894	$ 39,507