(9) Fair Value Measurements (Details - Fair values) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets:
Cash and cash equivalents	$ 9,197	$ 13,466
Restricted cash and equivalents	159,404	130,686
Finance receivables, net	348,892	429,972
Accrued interest receivable	3,744	5,017
Liabilities:
Warehouse lines of credit	71,097	118,999
Accrued interest payable	4,740	4,919
Securitization trust debt	1,813,370	1,862,630
Subordinated renewable notes	23,740	21,323
Fair Value, Inputs, Level 1 [Member]
Assets:
Cash and cash equivalents	9,197	13,466
Restricted cash and equivalents	159,404	130,686
Finance receivables, net	0	0
Accrued interest receivable	0	0
Liabilities:
Warehouse lines of credit	0	0
Accrued interest payable	0	0
Securitization trust debt	0	0
Subordinated renewable notes	0	0
Fair Value, Inputs, Level 2 [Member]
Assets:
Cash and cash equivalents	0	0
Restricted cash and equivalents	0	0
Finance receivables, net	0	0
Accrued interest receivable	0	0
Liabilities:
Warehouse lines of credit	0	0
Accrued interest payable	0	0
Securitization trust debt	0	0
Subordinated renewable notes	0	0
Fair Value, Inputs, Level 3 [Member]
Assets:
Cash and cash equivalents	0	0
Restricted cash and equivalents	0	0
Finance receivables, net	348,892	429,972
Accrued interest receivable	3,744	5,017
Liabilities:
Warehouse lines of credit	71,097	118,999
Accrued interest payable	4,740	4,919
Securitization trust debt	1,813,370	1,862,630
Subordinated renewable notes	23,740	21,323
Carrying Value [Member]
Assets:
Cash and cash equivalents	9,197	13,466
Restricted cash and equivalents	159,404	130,686
Finance receivables, net	337,612	411,343
Accrued interest receivable	3,744	5,017
Liabilities:
Warehouse lines of credit	71,097	118,999
Accrued interest payable	4,740	4,919
Securitization trust debt	1,791,583	1,803,673
Subordinated renewable notes	$ 23,740	$ 21,323