FINANCE RECEIVABLES - Information Regarding Finance Receivables (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018
Receivables [Abstract]
Finance receivables, net	$ 7,445	$ 6,727	$ 6,541	$ 5,972	$ 5,480
Finance receivables due after one year, net	12,379	12,642	$ 12,342	$ 12,838	$ 13,629
Total finance receivables, net of allowance of $607 and $606, respectively	19,824	19,369
Finance receivable, allowance	$ 607	$ 606

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount, after allowance for credit loss, of financing receivable, classified as current. Includes, but is not limited to, notes and loan receivable.

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Amount, after allowance for credit loss, of financing receivable, classified as noncurrent.

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Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

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