FAIR VALUE - Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Jun. 30, 2022
FAIR VALUE
Total debt securities	$ 507,611	$ 481,790
Equity securities	2,267	2,039
Municipal obligations
FAIR VALUE
Total debt securities	115,160	115,353
Other debt securities
FAIR VALUE
Total debt securities	531	591
Level 1
FAIR VALUE
Total debt securities	391,920	365,846
Equity securities	2,267	2,039
Level 2
FAIR VALUE
Total debt securities	115,691	115,944
Derivative assets	99	217
Derivative liabilities	19,155	12,813
Recurring basis
FAIR VALUE
Total debt securities	507,611	481,790
Equity securities	2,267	2,039
Derivative assets	99	217
Total assets	509,977	484,046
Derivative liabilities	19,155	12,813
Total liabilities	19,155	12,813
Recurring basis | U.S. Government and agency obligations.
FAIR VALUE
Total debt securities	391,920	365,846
Recurring basis | Municipal obligations
FAIR VALUE
Total debt securities	115,160	115,353
Recurring basis | Other debt securities
FAIR VALUE
Total debt securities	531	591
Recurring basis | Level 1
FAIR VALUE
Total debt securities	391,920	365,846
Equity securities	2,267	2,039
Total assets	394,187	367,885
Recurring basis | Level 1 | U.S. Government and agency obligations.
FAIR VALUE
Total debt securities	391,920	365,846
Recurring basis | Level 2
FAIR VALUE
Total debt securities	115,691	115,944
Derivative assets	99	217
Total assets	115,790	116,161
Derivative liabilities	19,155	12,813
Total liabilities	19,155	12,813
Recurring basis | Level 2 | Municipal obligations
FAIR VALUE
Total debt securities	115,160	115,353
Recurring basis | Level 2 | Other debt securities
FAIR VALUE
Total debt securities	$ 531	$ 591