NET LOANS RECEIVABLE - Risk (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
NET LOANS RECEIVABLE
Loans	$ 1,170,645	$ 1,066,039
Commercial
NET LOANS RECEIVABLE
Loans	779,480	682,911
Commercial | Pass
NET LOANS RECEIVABLE
Loans	746,594	669,313
Commercial | Special Mention
NET LOANS RECEIVABLE
Loans	6,499	2,666
Commercial | Substandard
NET LOANS RECEIVABLE
Loans	26,334	10,932
Commercial | Doubtful
NET LOANS RECEIVABLE
Loans	53
Commercial | Real estate
NET LOANS RECEIVABLE
Loans	450,452	414,375
Commercial | Real estate | Pass
NET LOANS RECEIVABLE
Loans	433,948	406,317
Commercial | Real estate | Special Mention
NET LOANS RECEIVABLE
Loans	106	2,440
Commercial | Real estate | Substandard
NET LOANS RECEIVABLE
Loans	16,398	5,618
Commercial | Commercial and industrial
NET LOANS RECEIVABLE
Loans	237,223	183,262
Commercial | Commercial and industrial | Pass
NET LOANS RECEIVABLE
Loans	222,777	179,099
Commercial | Commercial and industrial | Special Mention
NET LOANS RECEIVABLE
Loans	6,393	226
Commercial | Commercial and industrial | Substandard
NET LOANS RECEIVABLE
Loans	8,000	3,937
Commercial | Commercial and industrial | Doubtful
NET LOANS RECEIVABLE
Loans	53
Commercial | Construction
NET LOANS RECEIVABLE
Loans	91,805	85,274
Commercial | Construction | Pass
NET LOANS RECEIVABLE
Loans	89,869	83,897
Commercial | Construction | Substandard
NET LOANS RECEIVABLE
Loans	$ 1,936	$ 1,377