SECURITIES - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Mar. 31, 2022 USD ($) Number	Mar. 31, 2021 USD ($)	Mar. 31, 2022 USD ($) Number	Mar. 31, 2021 USD ($)
Security owned and pledged as collateral, amortized cost	$ 14,690,000		$ 14,690,000
Security Owned and Pledged as Collateral, Fair Value	$ 13,547,000		$ 13,547,000
Debt securities in unrealized loss positions, qualitative disclosure, number of positions | Number	128		128
Debt securities in unrealized loss positions, percentage of depreciation applicable	6.95%
Proceeds from sale of debt securities, available for sale	$ 0	$ 0	$ 2,031,000	$ 0