SECURITIES - Additional Information (Details)	3 Months Ended	6 Months Ended
Dec. 31, 2022 USD ($) Number	Dec. 31, 2021 USD ($)	Dec. 31, 2022 USD ($) Number	Dec. 31, 2021 USD ($)
Security owned and pledged as collateral, amortized cost	$ 14,667,000		$ 14,667,000
Security owned and pledged as collateral amortized fair value	$ 12,096,000		$ 12,096,000
Debt securities in unrealized loss positions, qualitative disclosure, number of positions \| Number	278		278
Debt securities in unrealized loss positions, percentage of depreciation applicable			11.92%
Proceeds from sale of debt securities, available for sale	$ 0	$ 0	$ 0	$ 2,031,000
Realized gains				$ 48,000

Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 11
-URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26853-111562

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 11
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3151-108585

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585

Name:	us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration