FAIR VALUE - Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022
FAIR VALUE
Total debt securities	$ 513,870	$ 481,790
Equity securities	2,000	2,039
Municipal obligations
FAIR VALUE
Total debt securities	117,646	115,353
Other debt securities
FAIR VALUE
Total debt securities	564	591
Level 1
FAIR VALUE
Total debt securities	395,660	365,846
Equity securities	2,000	2,039
Level 2
FAIR VALUE
Total debt securities	118,210	115,944
Derivative assets	1,271	217
Derivative liabilities	23,045	12,813
Recurring basis
FAIR VALUE
Total debt securities	513,870	481,790
Equity securities	2,000	2,039
Derivative assets	1,271	217
Total assets	517,141	484,046
Derivative liabilities	23,045	12,813
Total liabilities	23,045	12,813
Recurring basis | U.S. Government and agency obligations.
FAIR VALUE
Total debt securities	395,660	365,846
Recurring basis | Municipal obligations
FAIR VALUE
Total debt securities	117,646	115,353
Recurring basis | Other debt securities
FAIR VALUE
Total debt securities	564	591
Recurring basis | Level 1
FAIR VALUE
Total debt securities	395,660	365,846
Equity securities	2,000	2,039
Total assets	397,660	367,885
Recurring basis | Level 1 | U.S. Government and agency obligations.
FAIR VALUE
Total debt securities	395,660	365,846
Recurring basis | Level 2
FAIR VALUE
Total debt securities	118,210	115,944
Derivative assets	1,271	217
Total assets	119,481	116,161
Derivative liabilities	23,045	12,813
Total liabilities	23,045	12,813
Recurring basis | Level 2 | Municipal obligations
FAIR VALUE
Total debt securities	117,646	115,353
Recurring basis | Level 2 | Other debt securities
FAIR VALUE
Total debt securities	$ 564	$ 591