LEASES -Components of net lease (Details) $ in Thousands	3 Months Ended
	Sep. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 537
Change to ROU asset and lease liability upon remeasurement	4,100
Operating cash flows from operating leases	531
Additions to ROU asset obtained from operating lease liabilities	$ 4,565
Weighted average remaining lease term, operating leases	5 years 9 months 18 days
Weighted average discount rate, operating leases	4.80%
ASU 2016-02
Lessee, Lease, Description [Line Items]
Additions to ROU asset obtained from operating lease liabilities	$ 4,591
Cost of revenues
Lessee, Lease, Description [Line Items]
Operating lease cost	434
Selling, general and administrative
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 103