RESTRICTIONS ON CASH AND AMOUNTS DUE FROM BANKS - Additional Information (Detail) - USD ($)	Mar. 31, 2022	Jun. 30, 2021	Mar. 26, 2020
Cash and Cash Equivalents [Abstract]
Federal reserve requirement ratio			0.00%
Federal reserve bank stock	$ 0	$ 0

Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 325
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=123599499&loc=d3e63345-112809

Name:	us-gaap_FederalReserveBankStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant