2. Finance Receivables (Details - Finance credit losses) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Finance Receivables
Balance at beginning of period	$ 100,844	$ 99,255	$ 109,187	$ 95,578
Provision for credit losses	35,531	48,550	76,038	95,717
Charge-offs	(53,493)	(48,474)	(109,595)	(98,773)
Recoveries	11,494	7,984	18,746	14,793
Balance at end of period	$ 94,376	$ 107,315	$ 94,376	$ 107,315

No definition available.

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- Definition

Amount of recoveries of receivables doubtful of collection that were previously charged off.

+ References

No definition available.

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- Definition

Amount of direct write-downs of accounts receivable charged against the allowance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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- Definition

Amount of expense related to estimated loss from loan and lease transactions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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