Leases Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Leases [Abstract]
ROU assets - noncash additions (operating leases)	$ 5,296
ROU assets - noncash addition (finance lease)	2,052	$ 0	$ 0
Cash paid for amounts included in the measurement of lease liabilities (operating leases)	2,142
Cash paid for amounts included in the measurement of lease liabilities (finance leases)	$ 134