Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Assets and Liabilities, Lessee [Abstract]
Operating lease right-of-use assets	$ 2,108	$ 1,663
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Interest Receivable and Other Assets	Interest Receivable and Other Assets
Operating Lease, Liability [Abstract]
Operating lease liabilities	$ 2,307	$ 1,638
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Accounts Payable and Accrued Liabilities	Accounts Payable and Accrued Liabilities
Weighted average remaining lease term - Operating leases	9 years 9 months 18 days	11 years 10 months 24 days
Weighted average discount rate - Operating leases	1.76%	2.19%
Net lease costs	$ 365	$ 142
Loss on lease abandonment	$ 162