10. Fair Value Measurements (Details - Fair values) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Assets:
Cash and cash equivalents	$ 8,914	$ 12,787
Restricted cash and equivalents	135,508	117,323
Finance receivables, net	1,264,423	1,434,631
Accrued interest receivable	21,045	31,969
Liabilities:
Warehouse lines of credit	117,104	136,847
Accrued interest payable	5,144	4,819
Residual interest financing	39,199	39,106
Securitization trust debt	2,110,165	2,051,920
Subordinated renewable notes	12,986	17,290
Level 1 [Member]
Assets:
Cash and cash equivalents	8,914	12,787
Restricted cash and equivalents	135,508	117,323
Finance receivables, net	0	0
Accrued interest receivable	0	0
Liabilities:
Warehouse lines of credit	0	0
Accrued interest payable	0	0
Residual interest financing	0	0
Securitization trust debt	0	0
Subordinated renewable notes	0	0
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
Residual interest financing	0	0
Securitization trust debt	0	0
Subordinated renewable notes	0	0
Level 3 [Member]
Assets:
Cash and cash equivalents	0	0
Restricted cash and equivalents	0	0
Finance receivables, net	1,264,423	1,434,631
Accrued interest receivable	21,045	31,969
Liabilities:
Warehouse lines of credit	117,104	136,847
Accrued interest payable	5,144	4,819
Residual interest financing	39,199	39,106
Securitization trust debt	2,110,165	2,051,920
Subordinated renewable notes	12,986	17,290
Carrying Value [Member]
Assets:
Cash and cash equivalents	8,914	12,787
Restricted cash and equivalents	135,508	117,323
Finance receivables, net	1,296,164	1,454,709
Accrued interest receivable	21,045	31,969
Liabilities:
Warehouse lines of credit	117,104	136,847
Accrued interest payable	5,144	4,819
Residual interest financing	39,199	39,106
Securitization trust debt	2,109,024	2,063,627
Subordinated renewable notes	$ 12,986	$ 17,290