FINANCE RECEIVABLES - Credit Risk Profile Based on Payment Activity (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jun. 30, 2018
Financing Receivable, Credit Quality Indicator [Line Items]
Finance receivable	$ 18,082	$ 17,861
Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Finance receivable	17,481	17,849
Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
Finance receivable	$ 601	$ 12