Derivative and Other Financial Instruments with Off-Balance Sheet Risks - Schedule of Allowance for Loan Losses of Undisbursed Funds and Commitments on Loans Held for Investment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for loan losses, beginning of the year	$ 7,587	$ 8,265
Provision	(2,462)	(708)
Allowance for loan losses, end of the year	5,564	7,587
Commitments to extend credit on loans to be held for sale
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for loan losses, beginning of the year	127	126
Provision	3	1
Allowance for loan losses, end of the year	$ 130	$ 127