Accumulated Other Comprehensive Income (AOCI) - Reclassification out of AOCI (Details) - Reclassification out of Accumulated Other Comprehensive Income. - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Unrealized gain on securities available-for-sale	$ (1,489)
Amortization of defined benefit pension items	$ 5	$ 5
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Employee Benefits and Share-Based Compensation	Employee Benefits and Share-Based Compensation
Total reclassified amount before tax	$ (1,484)	$ 5
Provision for income tax
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax benefit	(312)	1
Net Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total reclassification out of AOCI	$ (1,172)	$ 4