Leases - Schedule of Operating Lease Right-of-use Assets and Operating Lease Obligation (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Beginning balance operating lease right-of-use asset	$ 28,647	$ 30,578
Lease asset added	1,069	5,244
Amortization for the year	(7,194)	(7,175)
Ending balance operating lease right-of-use asset	22,522	28,647
Beginning balance operating lease obligation	32,397	34,465
Lease liability added	1,069	5,244
Repayment and interest accretion	(7,857)	(7,312)
Ending balance operating lease obligation	25,609	32,397
Operating lease liabilities, current	8,169	8,224
Operating lease liabilities, non-current	$ 17,441	$ 24,173