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Interest Income and Interest Expense (Details - Interest expense) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Debt Instrument [Line Items]
Interest expense	$ 59,098	$ 50,056	$ 172,720	$ 138,735
Securitization Trust Debt [Member]
Debt Instrument [Line Items]
Interest expense	47,581	42,998	138,182	116,859
Warehouse Lines Of Credit [Member]
Debt Instrument [Line Items]
Interest expense	6,710	4,000	21,439	14,022
Residual Interest Financing [Member]
Debt Instrument [Line Items]
Interest expense	4,085	2,477	11,048	6,225
Subordinated Renewable Notes [Member]
Debt Instrument [Line Items]
Interest expense	$ 722	$ 581	$ 2,051	$ 1,629

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