OTHER COMPREHENSIVE LOSS - Allocated Component of OCI (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Unrealized losses on securities:
Unrealized holdings losses arising during the period	$ (3,896)	$ (76)
Reclassification adjustment for gains included in net income	(9)
Tax amount on unrealized gains/losses on securities	(3,905)	(76)
Defined benefit plans:
Change in funded status	1,676	3,966
Reclassification adjustment for settlement recognition	(87)
Reclassification adjustment for amortization of net actuarial loss		443
Tax amount on defined benefit plans	1,763	4,409
Total	$ (2,142)	$ 4,333

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