EMPLOYEE BENEFIT PLANS - Net Periodic Post-retirement Benefit Cost (Details) - Post-retirement benefit plan - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Net periodic post-retirement benefit cost
Service cost	$ 8	$ 12	$ 19	$ 22
Interest cost	$ 32	38	72	$ 67
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Labor and Related Expense			Labor and Related Expense
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Immediate Recognition of Actuarial Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Labor and Related Expense			Labor and Related Expense
Amortization of net actuarial gain	$ (34)	(20)	(30)	$ (16)
Net periodic post-retirement benefit cost	6	$ 30	61	73
Amounts recognized in accumulated other comprehensive (gain) loss, before tax effect
Net actuarial gain	$ (618)		$ (461)	$ (427)
Discount rate	5.67%		5.51%	5.23%