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(4) Debt (Details Narrative) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Debt Instrument [Line Items] |  |
Short term credit facility | $ 200,000 | $ 300,000
Warehouse Lines Of Credit [Member] |  |
Debt Instrument [Line Items] |  |
Unamortized debt issuance costs | 1,200 | 1,500
Residual Interest Financings |  |
Debt Instrument [Line Items] |  |
Unamortized debt issuance costs | $ 57 | $ 150

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