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3. Finance Receivables (Details - Summary of activity) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Finance Receivables
Balance at beginning of year	$ 95,578	$ 75,603	$ 61,460
Provision for credit losses	186,713	178,511	142,618
Charge-offs	(211,948)	(192,366)	(156,553)
Recoveries	38,844	33,830	28,078
Balance at end of year	$ 109,187	$ 95,578	$ 75,603

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- Definition

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

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

+ References

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

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

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