Leases - Schedule of Operating Lease Right-of-use Assets and Operating Lease Obligation (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2020 USD ($)
Leases [Abstract]
Operating lease right-of-use asset, beginning balance	$ 30,578
Operating lease, lease asset added after initial recognition	5,244
Operating lease, amortization for the year	(7,175)
Operating lease right-of-use asset, ending balance	28,647
Operating lease obligation, beginning balance	34,465
Operating lease, lease liability added after initial recognition	5,244
Operating lease repayment and interest accretion	(7,312)
Operating lease obligation, ending balance	32,397
Operating lease liabilities, current	8,224
Operating lease liabilities, non-current	24,173
Finance lease, lease asset added after initial recognition	10
Finance lease, amortization for the year	(2)
Finance lease right-of-use asset, ending balance	8
Finance lease, lease liability added after initial recognition	10
Finance lease repayment and interest accretion	(2)
Finance lease obligation, ending balance	8
Current portion of finance lease obligation	5
Noncurrent portion of finance lease obligation	3
Lease right-of-use asset, beginning balance	30,578
Lease asset added after initial recognition	5,254
Lease, amortization for the year	(7,177)
Lease right-of-use asset, ending balance	28,655
Lease obligation, beginning balance	34,465
Lease liability added after initial recognition	5,254
Lease repayment and interest accretion	(7,314)
Lease obligation, ending balance	32,405
Current portion of lease obligation	8,229
Noncurrent portion of lease obligation	$ 24,176