Interest Income and Interest Expense (Details - Interest expense) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Debt Instrument [Line Items]
Interest expense	$ 46,710	$ 35,706	$ 88,678	$ 68,465
Securitization Trust Debt [Member]
Debt Instrument [Line Items]
Interest expense	37,928	29,171	73,860	55,524
Warehouse Lines of Credit [Member]
Debt Instrument [Line Items]
Interest expense	5,702	5,008	10,022	9,856
Residual Interest Financing [Member]
Debt Instrument [Line Items]
Interest expense	2,538	1,050	3,748	2,100
Subordinated Renewable Notes [Member]
Debt Instrument [Line Items]
Interest expense	$ 542	$ 477	$ 1,048	$ 985