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(4) Debt (Details Narrative) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Line of Credit Facility [Line Items] |  |
Short term credit facility | $ 200,000 | $ 300,000
Warehouse Lines Of Credit [Member] |  |
Line of Credit Facility [Line Items] |  |
Unamortized debt issuance costs | 655 | 1,500
Residual Interest Financings [Member] |  |
Line of Credit Facility [Line Items] |  |
Unamortized debt issuance costs | $ 692 | $ 150

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