NET LOANS RECEIVABLE - Aging of Recorded Investment (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022
NET LOANS RECEIVABLE
Total	$ 1,038,237	$ 1,001,647
Financial Asset, Past Due
NET LOANS RECEIVABLE
Total	13,133	5,266
30 to 59 Days Past Due
NET LOANS RECEIVABLE
Total	3,149	889
60 to 89 Days Past Due
NET LOANS RECEIVABLE
Total	1,996	1,477
90 or more Days Past Due
NET LOANS RECEIVABLE
Total	7,988	2,900
Financial Asset, Not Past Due
NET LOANS RECEIVABLE
Total	1,025,104	996,381
Commercial
NET LOANS RECEIVABLE
Total	633,600	627,847
Commercial | Real estate
NET LOANS RECEIVABLE
Total	459,951	453,549
Commercial | Real estate | Financial Asset, Past Due
NET LOANS RECEIVABLE
Total	2,536	1,096
Commercial | Real estate | 30 to 59 Days Past Due
NET LOANS RECEIVABLE
Total	435	5
Commercial | Real estate | 60 to 89 Days Past Due
NET LOANS RECEIVABLE
Total		273
Commercial | Real estate | 90 or more Days Past Due
NET LOANS RECEIVABLE
Total	2,101	818
Commercial | Real estate | Financial Asset, Not Past Due
NET LOANS RECEIVABLE
Total	457,415	452,453
Commercial | Commercial and industrial
NET LOANS RECEIVABLE
Total	97,485	103,197
Commercial | Commercial and industrial | Financial Asset, Past Due
NET LOANS RECEIVABLE
Total	3,182	499
Commercial | Commercial and industrial | 30 to 59 Days Past Due
NET LOANS RECEIVABLE
Total	697
Commercial | Commercial and industrial | 60 to 89 Days Past Due
NET LOANS RECEIVABLE
Total	1,350	97
Commercial | Commercial and industrial | 90 or more Days Past Due
NET LOANS RECEIVABLE
Total	1,135	402
Commercial | Commercial and industrial | Financial Asset, Not Past Due
NET LOANS RECEIVABLE
Total	94,303	102,698
Commercial | Construction
NET LOANS RECEIVABLE
Total	76,164	71,101
Commercial | Construction | Financial Asset, Past Due
NET LOANS RECEIVABLE
Total	2,979
Commercial | Construction | 90 or more Days Past Due
NET LOANS RECEIVABLE
Total	2,979
Commercial | Construction | Financial Asset, Not Past Due
NET LOANS RECEIVABLE
Total	73,185	71,101
Residential mortgages
NET LOANS RECEIVABLE
Total	302,579	270,268
Residential mortgages | Financial Asset, Past Due
NET LOANS RECEIVABLE
Total	2,402	2,007
Residential mortgages | 30 to 59 Days Past Due
NET LOANS RECEIVABLE
Total	944	398
Residential mortgages | 60 to 89 Days Past Due
NET LOANS RECEIVABLE
Total	349	563
Residential mortgages | 90 or more Days Past Due
NET LOANS RECEIVABLE
Total	1,109	1,046
Residential mortgages | Financial Asset, Not Past Due
NET LOANS RECEIVABLE
Total	300,177	268,261
Home equity loans
NET LOANS RECEIVABLE
Total	81,994	81,238
Home equity loans | Financial Asset, Past Due
NET LOANS RECEIVABLE
Total	1,828	1,522
Home equity loans | 30 to 59 Days Past Due
NET LOANS RECEIVABLE
Total	1,036	477
Home equity loans | 60 to 89 Days Past Due
NET LOANS RECEIVABLE
Total	128	412
Home equity loans | 90 or more Days Past Due
NET LOANS RECEIVABLE
Total	664	633
Home equity loans | Financial Asset, Not Past Due
NET LOANS RECEIVABLE
Total	80,166	79,716
Consumer
NET LOANS RECEIVABLE
Total	20,064	22,294
Consumer | Financial Asset, Past Due
NET LOANS RECEIVABLE
Total	206	142
Consumer | 30 to 59 Days Past Due
NET LOANS RECEIVABLE
Total	37	9
Consumer | 60 to 89 Days Past Due
NET LOANS RECEIVABLE
Total	169	132
Consumer | 90 or more Days Past Due
NET LOANS RECEIVABLE
Total		1
Consumer | Financial Asset, Not Past Due
NET LOANS RECEIVABLE
Total	$ 19,858	$ 22,152