MINIMUM REGULATORY CAPITAL REQUIREMENTS - Summary of Bank's Actual Capital Amounts and Ratios (Detail) $ in Thousands	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Capital	$ 65,237	$ 50,350
Common Equity Tier One Capital	63,490	48,628
Tier One Risk Based Capital	63,490	48,628
Tier One Leverage Capital	$ 63,490	$ 48,628
Capital To Risk Weighted Assets	34.9	29.7
CommonEquity Tier One Capital Ratio	34.0	28.6
Tier One Risk Based Capital To Risk Weighted Assets	34.0	28.6
Tier One Leverage Capital To Average Assets	17.4	14.4
Capital Required For Capital Adequacy	$ 14,936	$ 13,585
Common Equity TierOne Capital Required For Capital Adequacy	8,401	7,641
Tier One Risk Based Capital Required For Capital Adequacy	11,202	10,189
Tier One Leverage Capital Required For Capital Adequacy	$ 14,580	$ 13,519
Capital Required For Capital Adequacy To Risk Weighted Assets	8.0	8.0
Banking Regulation Common Equity Tier One Risk Based Capital Ratio Capital Adequacy Minimum	4.5	4.5
Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets	6.0	6.0
Tier One Leverage Capital Required For Capital Adequacy To Average Assets	4.0	4.0
Capital Required To Be Well Capitalized	$ 18,670	$ 16,981
Common Equity Tier One Capital Required To Be Well Capitalized	12,135	11,038
Tier One Risk Based Capital Required To Be Well Capitalized	14,936	13,585
Tier One Leverage Capital Required To Be Well Capitalized	$ 18,225	$ 16,898
Capital Required To Be Well Capitalized To Risk Weighted Assets	10.0	10.0
Banking Regulation Common Equity Tier One Risk Based Capital Ratio Well Capitalized Minimum	6.5	6.5
Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets	8.0	8.0
Tier One Leverage Capital Required To Be Well Capitalized To Average Assets	5.0	5.0