SECURITIES - Additional Information (Detail) $ in Thousands	3 Months Ended	6 Months Ended
	Dec. 31, 2021 USD ($) Number	Dec. 31, 2021 USD ($) Number
Security owned and pledged as collateral, amortized cost	$ 7,965,000	$ 7,965,000
Security Owned and Pledged as Collateral, Fair Value	$ 8,014,000	$ 8,014,000
Debt securities in unrealized loss positions, qualitative disclosure, number of positions | Number	51	51
Debt securities in unrealized loss positions, percentage of depreciation applicable		1.79%
Proceeds from sale of debt securities, available for sale	$ 0	$ 2,031