Fair value portion of receivables, including, but not limited to, trade account receivables, note receivables, and loan receivables.

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-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_ReceivablesFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

9. Fair Value Measurements (Details - Finance Receivables to Their Contractual Balances) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finance receivables measured at fair value	$ 1,559,697	$ 1,444,038	$ 997,552	$ 821,066
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finance receivables measured at fair value	1,559,697	1,444,038
Contractual Balance [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finance receivables measured at fair value	$ 1,628,557	$ 1,492,803