FINANCE RECEIVABLES - Credit Risk Profile Based on Payment Activity (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Financing Receivable, Credit Quality Indicator [Line Items]
Total finance receivables	$ 18,462	$ 17,861
Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Total finance receivables	17,856	17,849
Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
Total finance receivables	$ 606	$ 12