FINANCE RECEIVABLES - Age analysis of past due finance receivables (Details) - QuickStart Leases - USD ($) $ in Thousands	Sep. 30, 2017	Jun. 30, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 10,824	$ 19,617
30 and under Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	103	29
31 - 60 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	3	3
61 - 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	58	35
Greater than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	84	35
Performing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	10,576	19,515
Nonperforming
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 248	$ 102