Benefit Plans - Summary of Fair Values of Bank's Pension Plan Assets (Details) - Bank's Pension Plan Assets - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024
Defined Benefit Plan, Plan Assets, Category [Line Items]
Total	$ 16,533	$ 16,075
Cash
Defined Benefit Plan, Plan Assets, Category [Line Items]
Total	173	177
Equity Securities
Defined Benefit Plan, Plan Assets, Category [Line Items]
Total	283	460
Mutual Funds - Equity
Defined Benefit Plan, Plan Assets, Category [Line Items]
Total	7,239	6,800
Mutual Funds - Fixed Income
Defined Benefit Plan, Plan Assets, Category [Line Items]
Total	8,838	8,638
Level 1
Defined Benefit Plan, Plan Assets, Category [Line Items]
Total	16,533	16,075
Level 1 | Cash
Defined Benefit Plan, Plan Assets, Category [Line Items]
Total	173	177
Level 1 | Equity Securities
Defined Benefit Plan, Plan Assets, Category [Line Items]
Total	283	460
Level 1 | Mutual Funds - Equity
Defined Benefit Plan, Plan Assets, Category [Line Items]
Total	7,239	6,800
Level 1 | Mutual Funds - Fixed Income
Defined Benefit Plan, Plan Assets, Category [Line Items]
Total	$ 8,838	$ 8,638