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9. Fair Value Measurements (Details - Finance Receivables to Their Contractual Balances) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finance receivables measured at fair value	$ 1,313,205	$ 1,158,365	$ 821,066	$ 614,807	$ 412,895	$ 0
Contractual Balance [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finance receivables measured at fair value	$ 1,356,157		$ 829,039

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-URI http://asc.fasb.org/subtopic&trid=2196772

+ Details

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Balance Type:	debit
Period Type:	instant

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- Details

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