Leases - Schedule of Operating Lease Right-of-use Assets and Operating Lease Obligations (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2021	Jun. 30, 2021
Leases [Abstract]
Beginning balance operating lease right-of-use asset	$ 22,522	$ 28,647
Lease asset added	876	1,069
Amortization for the year	(2,120)	(7,194)
Ending balance operating lease right-of-use asset	21,278	22,522
Beginning balance operating lease obligation	25,610	32,397
Lease liability added	876	1,069
Repayment and interest accretion	(2,337)	(7,856)
Ending balance operating lease obligation	24,149	25,610
Operating lease liabilities, current	8,263	8,169
Operating lease liabilities, non-current	$ 15,886	$ 17,441