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(4) Debt (Details Narrative) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Line of Credit Facility [Line Items]    
Short term credit facility $ 200,000 $ 300,000
Securitization of residual interests 50,000  
Warehouse Lines Of Credit [Member]    
Line of Credit Facility [Line Items]    
Unamortized debt issuance costs 907 1,500
Asset Backed [Member]    
Line of Credit Facility [Line Items]    
Securitization of residual interests 50,000  
Residual Interest Financings [Member]    
Line of Credit Facility [Line Items]    
Unamortized debt issuance costs $ 755 $ 150