Premises and Equipment - Calculated amount of right of use assets and lease liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024	Jun. 30, 2024
Operating leases right of use asset	$ 6,855		$ 6,855		$ 6,669
Operating leases liability	6,855		6,855
Consolidated Balance Sheet
Operating leases right of use asset	$ 6,855		$ 6,855		$ 6,669
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, Plant and Equipment, Net		Property, Plant and Equipment, Net		Property, Plant and Equipment, Net
Operating leases liability	$ 6,855		$ 6,855		$ 6,669
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Accounts Payable and Other Accrued Liabilities		Accounts Payable and Other Accrued Liabilities		Accounts Payable and Other Accrued Liabilities
Consolidated Statement Of Income
Operating lease costs classified as occupancy and equipment expense (includes short-term lease costs)	$ 291	$ 294	$ 886	$ 880
Supplemental Disclosures Of Cash Flow Information | Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 174	$ 208	$ 586	$ 623