Interest Income and Interest Expense (Details - Interest expense) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Debt Instrument [Line Items]
Interest expense	$ 60,061	$ 54,918
Securitization Trust Debt [Member]
Debt Instrument [Line Items]
Interest expense	48,756	45,044
Warehouse Lines Of Credit [Member]
Debt Instrument [Line Items]
Interest expense	6,465	6,513
Residual Interest Financing [Member]
Debt Instrument [Line Items]
Interest expense	4,155	2,715
Subordinated Renewable Notes [Member]
Debt Instrument [Line Items]
Interest expense	$ 685	$ 646