Parent Company Financial Information - Schedule of condensed statements operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Condensed Income Statements, Captions [Line Items]
Interest on interest-bearing deposits with the Bank	$ 22,942	$ 20,693
Interest income on securities	6,780	4,555
Unrealized loss on equity securities	(629)	(242)
Total interest income	30,386	25,498
Professional fees	906	1,154
Other expenses	3,041	2,567
Total other expense	22,019	20,274
Loss before income tax benefit and equity in undistributed net income of affiliates	3,002	4,805
Income tax benefit	200	568
NET INCOME	2,802	4,237
Comprehensive loss	(5,219)	(11,056)
Parent Company
Condensed Income Statements, Captions [Line Items]
Interest on interest-bearing deposits with the Bank	79	142
Interest income on securities	131	114
Unrealized loss on equity securities	(629)	(242)
Total interest income	(419)	14
Professional fees	495	570
Other expenses	202	175
Total other expense	697	745
Loss before income tax benefit and equity in undistributed net income of affiliates	(1,116)	(731)
Income tax benefit	(257)	(168)
Equity in undistributed net income of the Bank	3,661	4,800
NET INCOME	2,802	4,237
Comprehensive loss	$ (5,219)	$ (11,056)