OTHER COMPREHENSIVE INCOME - Allocated Component of OCI (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Unrealized gains on securities:
Unrealized holdings gains arising during the period	$ 176	$ 1,975	$ 2,406	$ (1,002)
Reclassification adjustment for gains included in net income	(43)	1,475	1,475
Tax amount on unrealized gains/losses on securities	133	3,450	3,881	(1,002)
Defined benefit plans:
Change in funded status	126		1,262	1,576
Reclassification adjustment for amortization of net actuarial loss	(46)		(8)	(4)
Tax amount on defined benefit plans	80		1,254	1,572
Total	$ 213	$ 3,450	$ 5,135	$ 570