SECURITIES - Schedule of Available for Sale Securities Pledged (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Jun. 30, 2022
Schedule Of Available For Sale Securities [Line Items]
Carrying value of securities pledged	$ 749,258	$ 913,960
FHLB of New York
Schedule Of Available For Sale Securities [Line Items]
Carrying value of securities pledged	0	178,048
Secure Public Funds On Deposit
Schedule Of Available For Sale Securities [Line Items]
Carrying value of securities pledged	207,602	357,841
Federal Reserve ("FRB")
Schedule Of Available For Sale Securities [Line Items]
Carrying value of securities pledged	$ 541,656	$ 378,071

Sum of the carrying amounts as of the date of the latest financial statement presented of securities which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 50
-Paragraph 1A
-Subparagraph (b)(1)(i)
-URI http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729

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