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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

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