(9) Fair Value Measurements (Details - Fair values) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	$ 28,799	$ 13,466
Restricted cash and equivalents	144,966	130,686
Finance receivables, net	219,530	429,972
Accrued interest receivable	2,930	5,017
Warehouse lines of credit	97,768	118,999
Accrued interest payable	3,888	4,919
Securitization trust debt	1,445,461	1,862,630
Subordinated renewable notes	27,462	21,323
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	28,799	13,466
Restricted cash and equivalents	144,966	130,686
Finance receivables, net	0	0
Accrued interest receivable	0	0
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]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	0	0
Restricted cash and equivalents	0	0
Finance receivables, net	0	0
Accrued interest receivable	0	0
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]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	0	0
Restricted cash and equivalents	0	0
Finance receivables, net	219,530	429,972
Accrued interest receivable	2,930	5,017
Warehouse lines of credit	97,768	118,999
Accrued interest payable	3,888	4,919
Securitization trust debt	1,445,461	1,862,630
Subordinated renewable notes	27,462	21,323
Carrying Value [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	28,799	13,466
Restricted cash and equivalents	144,966	130,686
Finance receivables, net	213,916	411,343
Accrued interest receivable	2,930	5,017
Warehouse lines of credit	97,768	118,999
Accrued interest payable	3,888	4,919
Securitization trust debt	1,703,465	1,803,673
Subordinated renewable notes	$ 27,462	$ 21,323

Finance receivables, net at fair value

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- Definition

Fair value portion of liabilities incurred for goods and services received that are used in an entity's business and related party payables.

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Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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