MINIMUM REGULATORY CAPITAL REQUIREMENTS - Summary of Bank's Actual Capital Amounts and Ratios (Detail) $ in Thousands	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)
Capital	$ 65,532	$ 65,141
Common Equity Tier One Capital	63,799	63,394
Tier One Risk Based Capital	63,799	63,394
Tier One Leverage Capital	$ 63,799	$ 63,394
Capital To Risk Weighted Assets	0.338	0.329
Common Equity Tier One Capital Ratio	0.329	0.32
Tier One Risk Based Capital To Risk Weighted Assets	0.329	0.32
Tier One Leverage Capital To Average Assets	0.178	0.182
Capital Required For Capital Adequacy	$ 15,501	$ 15,850
Common Equity TierOne Capital Required For Capital Adequacy	8,719	8,916
Tier One Risk Based Capital Required For Capital Adequacy	11,626	11,888
Tier One Leverage Capital Required For Capital Adequacy	$ 14,317	$ 13,950
Capital Required For Capital Adequacy To Risk Weighted Assets	0.08	0.08
Banking Regulation Common Equity Tier One Risk Based Capital Ratio Capital Adequacy Minimum	0.045	0.045
Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets	0.06	0.06
Tier One Leverage Capital Required For Capital Adequacy To Average Assets	0.04	0.04
Capital Required To Be Well Capitalized	$ 19,377	$ 19,813
Common Equity Tier One Capital Required To Be Well Capitalized	12,595	12,878
Tier One Risk Based Capital Required To Be Well Capitalized	15,501	15,850
Tier One Leverage Capital Required To Be Well Capitalized	$ 17,896	$ 17,438
Capital Required To Be Well Capitalized To Risk Weighted Assets	0.10	0.10
Banking Regulation Common Equity Tier One Risk Based Capital Ratio Well Capitalized Minimum	0.065	0.065
Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets	0.08	0.08
Tier One Leverage Capital Required To Be Well Capitalized To Average Assets	0.05	0.05